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Extensible Markup Language  |  2013-07-28  |  104KB  |  2,887 lines
  1. <?xml version="1.0"?>
  2.  
  3. <!DOCTYPE MODE SYSTEM "xmode.dtd">
  4.  
  5. <!--____________________________________________________________________
  6.                                  Plain TeX Syntax Highlighting for jEdit
  7.  
  8.                                                         by James Nicholl
  9.  
  10.                                                     jnicholl17@yahoo.com
  11. ________________________________________________________________________
  12.   -  Forward  -
  13. ________________________________________________________________________
  14.  
  15.     This syntax highlighting package is primarily based on a list of well organized and easily processed control sequence names that can be obtained at:
  16.  
  17.     http://www.math.upenn.edu/tex_docs/help/csname.txt
  18.  
  19.     Control sequences contained in the aforementioned document are included here with some exceptions. I removed from this list any control sequence not supported by plain TeX. It is currently my belief that this document details the control sequences in some form of AMS TeX. There were some control sequences that contained the character '@'. It is my understanding that the intention behind using a '@' character in a control sequence is to signify that the control sequence is private. I have therefore removed all control sequences that include '@'.
  20.  
  21.     Continuing along this line of reason, I chose not to extend this naming restriction to user defined control sequences. They are recognized as being of the form \[a-zA-Z@][a-zA-Z@]* In other words, a user defined control sequence is prefixed by a backslash '\' and contains one or more characters from the set of letter characters union '@'. If you were silly enough to reassign your escape character then this package isn't for you, and I'm sure you've realized by now that there really aren't any syntax highlighting packages available for your exotic dialect of TeX.
  22. ________________________________________________________________________
  23.   -  Description  -
  24. ________________________________________________________________________
  25.  
  26.     Take some time and assign a color scheme that makes sense for you. Syntax highlighting can illuminate some simple typing errors and improve your programming by allowing you to quickly and effortlessly identify key structures in your code.
  27.  
  28.     This is a work in progress. Eventually, with enough experience programming TeX, I should have a better idea of how to categorize everything, and a better idea of what there is to categorize. It's just a matter of working with this xml document always open and making adjustments when the opportunity arises.
  29.  
  30.     Any unrecognized control sequences of the form "\[a-zA-Z@]" are considered to be user defined.
  31.  
  32. ________________________________________________________________________
  33.   -  Description  -
  34. ________________________________________________________________________
  35.  
  36.  
  37. COMMENT1    -    Comments
  38.  
  39. COMMENT2    -    Allocations
  40.  
  41. COMMENT3    -    Assignments
  42.  
  43. COMMENT4    -    Registers
  44.  
  45. DIGIT        -    Macro (definition) arguments of the form #[1-9]
  46.  
  47. FUNCTION    -    Definitions
  48.  
  49. INVALID    -    UNUSED
  50.  
  51. KEYWORD1    -    Plain TeX control sequences of the form \[a-zA-Z]*
  52.  
  53. KEYWORD2    -    Character Control Sequences
  54.  
  55. KEYWORD3    -    Conditional Control Sequences
  56.  
  57. KEYWORD4    -    Parameters: integer, dimension, glue, muglue and token
  58.  
  59. LABEL        -    Unrecognized control sequences of the form \[a-zA-Z@]*
  60.  
  61. LITERAL1    -    Other reserved characters. & ~ ^ _
  62.  
  63. LITERAL2    -    TeX dimensions of the form [0-9]*.[0-9]*[pt pc bp in cm mm cc dd]
  64.  
  65. LITERAL3    -    Punctuation , . ; : ' " ` ! ? \ \par
  66.  
  67. LITERAL4    -    Other Characters ( ) + - lessthan greaterthan = / * |
  68.  
  69. MARKUP        -    Extends over math mode. It is highly recommended that this type be
  70.                 assigned a background color markedly different than the default
  71.                 background color. You don't want to lose track of your dollar
  72.                 signs!
  73.  
  74. OPERATOR    -    TeX grouping brackets {...} , square argument brackets [...] , in
  75.                 line math mode dollar signs $...$ and paragraph math mode double
  76.                 dollar signs $$...$$ Assign these symbols bright colors so they
  77.                 stand out!
  78.  
  79. _______________________________________________________________________________
  80.     -  References  -
  81. _______________________________________________________________________________
  82.  
  83.     In the course of preparing this package I have consulted the famous TeXbook many times. I'm sure I can't say anything positive about this book that hasn't already been said. It's the first book an ambitious student of plain TeX should read, and if it's the only book you read on TeX it's probably enough.
  84.  
  85. Knuth, Donald. The TeXbook. Twentieth Printing. Addison-Wesley:
  86.     Reading, MA, USA, 1991.
  87.  
  88.     After absorbing the material in the TeXbook I found an excellent electronic reference manual through the ubiquitous internet. For someone that appreciates explicit, rigorous and thorough language definition this is an ideal programmer's companion. A printed copy can be purchased and the PDF version can be downloaded free of charge through the author's website.
  89.  
  90.     http://eijkhout.net/texbytopic/texbytopic.html
  91.  
  92. Eijkhout, Victor. TeX by Topic. Reprinted 1993. Addison-Wesley:
  93.     UK, 1991.
  94.  
  95.     As I am a prolific Googler, many random and forgettable forums, blogs, wikis, and all manner of dubiously monickered digital media were consulted while preparing this package. I think I can safely say that if I had confined myself to the following few websites I would have found everything I needed.
  96.  
  97. The American Mathematical Society
  98.     http://www.ams.org/cmlhtml/texcodes.html
  99.  
  100. CTAN
  101.  
  102. TUG
  103.  
  104.  
  105.     It may not be standard to include bibliographical information for such a small computer program, but if you don't recognize any of these sources then I have provided you with a great service. Contained in these references are answeres to all you'll ever want to know about TeX and probably more. I wish I had read comments just like these several months ago!
  106. ________________________________________________________________________
  107.     -  The Big List -
  108. ________________________________________________________________________
  109.  
  110.     Starting with the documentation noted, I have extracted and categorized the following control sequences and syntactic entities. There are many more entities in the body of code than are not listed here. These are just the ones that I have taken special care to highlight.
  111. ________________________________________________________________________
  112.     -  Allocations  -
  113.  
  114.     Highlight as COMMENT2
  115.  
  116.     \newlinechar
  117.     \newmuskip
  118.     \newinsert
  119.     \newwrite
  120.     \newdimen
  121.     \newcount
  122.     \newtoks
  123.     \newskip
  124.     \newread
  125.     \newhelp
  126.     \newfam
  127.     \newbox
  128.     \newif
  129.  
  130.     (\\newlinechar<|\\newmuskip\\newinsert<|\\newwrite<|\\newdimen<|\\newcount<|\\newtoks<|\\newskip<|\\newread<|\\newhelp<|\\newfam<|\\newbox<|\\newif<)
  131. _______________________________________________________________________________
  132.     -  Assignments  -
  133.  
  134.     Highlight as COMMENT3
  135.  
  136.     \futurelet
  137.     \let
  138.  
  139.     (\\futurelet<|\\let<)
  140. _______________________________________________________________________________
  141.     -  Registers  -
  142.  
  143.     Highlight as COMMENT4
  144.  
  145.     \muskip([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))
  146.     \muskip[0-9][0-9]
  147.     \muskip[0-9]
  148.     \muskip
  149.     \dimen([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))
  150.     \dimen[0-9][0-9]
  151.     \dimen[0-9]
  152.     \dimen
  153.     \count([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))
  154.     \count[0-9][0-9]
  155.     \count[0-9]
  156.     \count
  157.     \toks([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))
  158.     \toks[0-9][0-9]
  159.     \toks[0-9]
  160.     \toks
  161.     \skip([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))
  162.     \skip[0-9][0-9]
  163.     \skip[0-9]
  164.     \skip
  165.     \box([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))
  166.     \box[0-9][0-9]
  167.     \box[0-9]
  168.     \box
  169. _______________________________________________________________________________
  170.     -  Definitions  -
  171.  
  172.     Highlight as FUNCTION
  173.  
  174.     \mathchardef
  175.     \muskipdef
  176.     \endcsname
  177.     \dimendef
  178.     \countdef
  179.     \toksdef
  180.     \skipdef
  181.     \chardef
  182.     \csname
  183.     \global
  184.     \outer
  185.     \xdef
  186.     \gdef
  187.     \long
  188.     \edef
  189.     \def
  190.  
  191.     (\\mathchardef<|\\muskipdef<|\\endcsname<|\\dimendef<|\\countdef<|\\toksdef<|\\skipdef<|\\chardef<|\\csname<|\\global<|\\outer<|\\xdef<|\\gdef<|\\long<|\\edef<|\\def<)
  192. _______________________________________________________________________________
  193.     -  Control Sequences Representing Characters  -
  194.  
  195.     Highlight as KEYWORD2
  196.  
  197.     http://www.ams.org/cmlhtml/texcodes.html
  198.     and Knuth: Chapter 8
  199.  
  200.     The Escaped Versions of TeX's Reserved Characters
  201.         \#
  202.         \$
  203.         \%
  204.         \&
  205.         \{
  206.         \}
  207.         \_
  208.         \backslash
  209.  
  210.     Characters Described by Number
  211.         \char<0-255>
  212.         \char'<octal number 0-377>
  213.         \char"<hex number 0-FF>
  214.         ^^[ASCII char 0-127]
  215.         ^^[lowercase hex 00-ff]
  216.  
  217.     The Token for Obtaining an ASCII Character Index
  218.         `[character or control sequence]
  219.  
  220.     Control Sequences for Accents
  221.         \utilde
  222.         \lfhook
  223.         \cfudot
  224.         \candra
  225.         \acudot
  226.         \uarc
  227.         \cfac
  228.         \`
  229.         \'
  230.         \^
  231.         \"
  232.         \H
  233.         \~
  234.         \c
  235.         \=
  236.         \b
  237.         \.
  238.         \d
  239.         \r
  240.         \k
  241.         \u
  242.         \v
  243.         \t
  244.  
  245.     Accented Characters and Ligatures
  246.         \cdprime
  247.         \cprime
  248.         \Dbar
  249.         \dbar
  250.         \eth
  251.         \ss
  252.         \OE
  253.         \oe
  254.         \aa
  255.         \AA
  256.         \ae
  257.         \AE
  258.         \o
  259.         \O
  260.         \l
  261.         \L
  262.         \j
  263.         \i
  264. _______________________________________________________________________________
  265.     -  Conditional Control Sequences  -
  266.  
  267.     Highlight as KEYWORD3
  268.  
  269.     See Eijkhout: pg 140 for details.
  270.  
  271.     \ifvmode
  272.     \ifmmode
  273.     \ifinner
  274.     \ifhmode
  275.     \iffalse
  276.     \ifvoid
  277.     \ifvbox
  278.     \iftrue
  279.     \ifhbox
  280.     \ifcase
  281.     \ifodd
  282.     \ifnum
  283.     \ifeof
  284.     \ifdim
  285.     \ifcat
  286.     \else
  287.     \or
  288.     \ifx
  289.     \if
  290.     \fi
  291.  
  292.     (\\ifvmode<|\\ifmmode<|\\ifinner<|\\ifhmode<|\\iffalse<|\\ifvoid<|\\ifvbox<|\\iftrue<|\\ifhbox<|\\ifcase<|\\ifodd<|\\ifnum<|\\ifeof<|\\ifdim<|\\ifcat<|\\else<|\\or<|\\ifx<|\\if<|\\fi<)
  293.  
  294. _______________________________________________________________________________
  295.     -  Parameters  -
  296.  
  297.     Highlight as KEYWORD4
  298.  
  299.     See Knuth: pg 272-275 for details.
  300.  
  301.     Integer Parameters
  302.         \doublehyphendemerits
  303.         \finalhyphendemerits
  304.         \displaywidowpenalty
  305.         \postdisplaypenalty
  306.         \tracingparagraphs
  307.         \errorcontextlines
  308.         \defaulthyphenchar
  309.         \tracinglostchars
  310.         \predisplaypenaty
  311.         \interlinepenalty
  312.         \tracingrestores
  313.         \tracingcommands
  314.         \floatingpenalty
  315.         \exhyphenpenalty
  316.         \delimiterfactor
  317.         \defaultskewchar
  318.         \showboxbreadth
  319.         \righthyphenmin
  320.         \holdinginserts
  321.         \tracingoutput
  322.         \tracingonline
  323.         \tracingmacros
  324.         \outputpenalty
  325.         \maxdeadcycles
  326.         \lefthyphenmin
  327.         \hyphenpenalty
  328.         \brokenpenalty
  329.         \widowpenalty
  330.         \tracingstats
  331.         \tracingpages
  332.         \showboxdepth
  333.         \pretolerance
  334.         \binoppenalty
  335.         \linepenalty
  336.         \endlinechar
  337.         \clubpenalty
  338.         \adjdemerits
  339.         \relpenalty
  340.         \globaldefs
  341.         \escapechar
  342.         \tolerance
  343.         \looseness
  344.         \hangafter
  345.         \vbadness
  346.         \language
  347.         \hbadness
  348.         \pausing
  349.         \uchyph
  350.         \month
  351.         \year
  352.         \time
  353.         \mag
  354.         \fam
  355.         \day
  356.  
  357.         (\\doublehyphendemerits<|\\finalhyphendemerits<|\\displaywidowpenalty<|\\postdisplaypenalty<|\\tracingparagraphs<|\\errorcontextlines<|\\defaulthyphenchar<|\\tracinglostchars<|\\predisplaypenaty<|\\interlinepenalty<|\\tracingrestores<|\\tracingcommands<|\\floatingpenalty<|\\exhyphenpenalty<|\\delimiterfactor<|\\defaultskewchar<|\\showboxbreadth<|\\righthyphenmin<|\\holdinginserts<|\\tracingoutput<|\\tracingonline<|\\tracingmacros<|\\outputpenalty<|\\maxdeadcycles<|\\lefthyphenmin<|\\hyphenpenalty<|\\brokenpenalty<|\\widowpenalty<|\\tracingstats<|\\tracingpages<|\\showboxdepth<|\\pretolerance<|\\binoppenalty<|\\linepenalty<|\\endlinechar<|\\clubpenalty<|\\adjdemerits<|\\relpenalty<|\\globaldefs<|\\escapechar<|\\tolerance<|\\looseness<|\\hangafter<|\\vbadness<|\\language<|\\hbadness<|\\pausing<|\\uchyph<|\\month<|\\year<|\\time<|\\mag<|\\fam<|\\day<)
  358.  
  359.     Dimension Parameters
  360.         \nulldelimiterspace
  361.         \delimitershortfall
  362.         \emergencystretch
  363.         \predisplaysize
  364.         \splitmaxdepth
  365.         \lineskiplimit
  366.         \displayindent
  367.         \overfullrule
  368.         \mathsurround
  369.         \displaywidth
  370.         \scriptspace
  371.         \boxmaxdepth
  372.         \hangindent
  373.         \parindent
  374.         \maxdepth
  375.         \voffset
  376.         \hoffset
  377.         \vsize
  378.         \vfuzz
  379.         \hsize
  380.         \hfuzz
  381.  
  382.         (\\nulldelimiterspace<|\\delimitershortfall<|\\emergencystretch<|\\predisplaysize<|\\splitmaxdepth<|\\lineskiplimit<|\\displayindent<|\\overfullrule<|\\mathsurround<|\\displaywidth<|\\scriptspace<|\\boxmaxdepth<|\\hangindent<|\\parindent<|\\maxdepth<|\\voffset<|\\hoffset<|\\vsize<|\\vfuzz<|\\hsize<|\\hfuzz<)
  383.  
  384.     Glue Parameters
  385.         \belowdisplayshortskip
  386.         \abovedisplayshortskip
  387.         \belowdisplayskip
  388.         \abovedisplayskip
  389.         \splittopskip
  390.         \baselineskip
  391.         \parfillskip
  392.         \xspaceskip
  393.         \spaceskip
  394.         \rightskip
  395.         \lineskip
  396.         \leftskip
  397.         \topskip
  398.         \tabskip
  399.         \parskip
  400.  
  401.         (\\belowdisplayshortskip<|\\abovedisplayshortskip<|\\belowdisplayskip<|\\abovedisplayskip<|\\splittopskip<|\\baselineskip<|\\parfillskip<|\\xspaceskip<|\\spaceskip<|\\rightskip<|\\lineskip<|\\leftskip<|\\topskip<|\\tabskip<|\\parskip<)
  402.  
  403.     Muglue Parameters
  404.         \thickmuskip
  405.         \thinmuskip
  406.         \medmuskip
  407.  
  408.         (\\thickmuskip<|\\thinmuskip<|\\medmuskip<)
  409.  
  410.     Token List Parameters
  411.         \everydisplay
  412.         \everyvbox
  413.         \everymath
  414.         \everyhbox
  415.         \everypar
  416.         \everyjob
  417.         \everycr
  418.         \errhelp
  419.         \output
  420.  
  421.         (\\everydisplay<|\\everyvbox<|\\everymath<|\\everyhbox<|\\everypar<|\\everyjob<|\\everycr<|\\errhelp<|\\output<)
  422. ____________________________________________________________________________-->
  423.  
  424. <!-- START -->
  425.  
  426. <MODE>
  427.     <PROPS>
  428.         <PROPERTY NAME="lineComment" VALUE="%" />
  429.     </PROPS>
  430.     <RULES IGNORE_CASE="FALSE" >
  431.  
  432.         <!-- Comments -->
  433.  
  434.         <EOL_SPAN TYPE="COMMENT1">%</EOL_SPAN>
  435.  
  436.         <!-- Math Modes -->
  437.  
  438.         <!-- $$ ... $$ -->
  439.         <SPAN TYPE="OPERATOR" DELEGATE="MATH">
  440.             <BEGIN>$$</BEGIN>
  441.             <END>$$</END>
  442.         </SPAN>
  443.  
  444.         <!-- $ ... $ -->
  445.         <SPAN TYPE="OPERATOR" DELEGATE="MATH">
  446.             <BEGIN>$</BEGIN>
  447.             <END>$</END>
  448.         </SPAN>
  449.  
  450.         <!-- At Least Twenty Five letter control sequences -->
  451.  
  452.             <!-- Arbitrary control sequence of the specified length -->
  453.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL"
  454.                     >\\[a-zA-Z@]{25}[a-zA-Z@]*</SEQ_REGEXP>
  455.  
  456.         <!-- Twenty Four letter control sequences -->
  457.             <SEQ TYPE="KEYWORD1">\interfootnotelinepenalty</SEQ>
  458.  
  459.             <!-- Arbitrary control sequence of the specified length -->
  460.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{24}</SEQ_REGEXP>
  461.  
  462.         <!-- Twenty Three letter control sequences -->
  463.             <SEQ TYPE="KEYWORD1">\interdisplaylinepenalty</SEQ>
  464.  
  465.             <!-- Arbitrary control sequence of the specified length -->
  466.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{23}</SEQ_REGEXP>
  467.  
  468.         <!-- Twenty Two letter control sequences -->
  469.  
  470.             <!-- Arbitrary control sequence of the specified length -->
  471.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{22}</SEQ_REGEXP>
  472.  
  473.         <!-- Twenty One letter control sequences -->
  474.             <SEQ TYPE="KEYWORD4">\belowdisplayshortskip</SEQ>
  475.             <SEQ TYPE="KEYWORD4">\abovedisplayshortskip</SEQ>
  476.  
  477.             <!-- Arbitrary control sequence of the specified length -->
  478.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{21}</SEQ_REGEXP>
  479.  
  480.         <!-- Twenty letter control sequences -->
  481.  
  482.             <SEQ TYPE="KEYWORD4">\doublehyphendemerits</SEQ>
  483.             <SEQ TYPE="KEYWORD1">\abovedisplayshortskip</SEQ>
  484.  
  485.             <!-- Arbitrary control sequence of the specified length -->
  486.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{20}</SEQ_REGEXP>
  487.  
  488.         <!-- Nineteen letter control sequences -->
  489.  
  490.             <SEQ TYPE="KEYWORD1">\normallineskiplimit</SEQ>
  491.             <SEQ TYPE="KEYWORD4">\finalhyphendemerits</SEQ>
  492.             <SEQ TYPE="KEYWORD4">\displaywidowpenalty</SEQ>
  493.  
  494.             <!-- Arbitrary control sequence of the specified length -->
  495.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{19}</SEQ_REGEXP>
  496.  
  497.         <!-- Eighteen letter control sequences -->
  498.  
  499.             <SEQ TYPE="KEYWORD4">\postdisplaypenalty</SEQ>
  500.             <SEQ TYPE="KEYWORD4">\nulldelimiterspace</SEQ>
  501.             <SEQ TYPE="KEYWORD1">\normalbaselineskip</SEQ>
  502.             <SEQ TYPE="KEYWORD1">\Longleftrightarrow</SEQ>
  503.             <SEQ TYPE="KEYWORD1">\longleftrightarrow</SEQ>
  504.             <SEQ TYPE="KEYWORD4">\delimitershortfall</SEQ>
  505.  
  506.             <!-- Arbitrary control sequence of the specified length -->
  507.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{18}</SEQ_REGEXP>
  508.  
  509.         <!-- Seventeen letter control sequences -->
  510.  
  511.             <SEQ TYPE="KEYWORD4">\tracingparagraphs</SEQ>
  512.             <SEQ TYPE="KEYWORD1">\scriptscriptstyle</SEQ>
  513.             <SEQ TYPE="KEYWORD1">\rightleftharpoons</SEQ>
  514.             <SEQ TYPE="KEYWORD1">\predisplaypenalty</SEQ>
  515.             <SEQ TYPE="KEYWORD4">\errorcontextlines</SEQ>
  516.             <SEQ TYPE="KEYWORD4">\defaulthyphenchar</SEQ>
  517.  
  518.             <!-- Arbitrary control sequence of the specified length -->
  519.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{17}</SEQ_REGEXP>
  520.  
  521.         <!-- Sixteen letter control sequences -->
  522.  
  523.             <SEQ TYPE="KEYWORD4">\tracinglostchars</SEQ>
  524.             <SEQ TYPE="KEYWORD1">\scriptscriptfont</SEQ>
  525.             <SEQ TYPE="KEYWORD1">\rightharpoondown</SEQ>
  526.             <SEQ TYPE="KEYWORD4">\predisplaypenaty</SEQ>
  527.             <SEQ TYPE="KEYWORD1">\pagefilllstretch</SEQ>
  528.             <SEQ TYPE="KEYWORD1">\offinterlineskip</SEQ>
  529.             <SEQ TYPE="KEYWORD1">\nonfrenchspacing</SEQ>
  530.             <SEQ TYPE="KEYWORD4">\interlinepenalty</SEQ>
  531.             <SEQ TYPE="KEYWORD4">\emergencystretch</SEQ>
  532.             <SEQ TYPE="KEYWORD4">\belowdisplayskip</SEQ>
  533.             <SEQ TYPE="KEYWORD1">\allocationnumber</SEQ>
  534.             <SEQ TYPE="KEYWORD4">\abovedisplayskip</SEQ>
  535.  
  536.             <!-- Arbitrary control sequence of the specified length -->
  537.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{16}</SEQ_REGEXP>
  538.  
  539.         <!-- Fifteen letter control sequences -->
  540.  
  541.             <SEQ TYPE="KEYWORD4">\tracingrestores</SEQ>
  542.             <SEQ TYPE="KEYWORD4">\tracingcommands</SEQ>
  543.             <SEQ TYPE="KEYWORD1">\smallskipamount</SEQ>
  544.             <SEQ TYPE="KEYWORD1">\pagefillstretch</SEQ>
  545.             <SEQ TYPE="KEYWORD1">\normalbaselines</SEQ>
  546.             <SEQ TYPE="KEYWORD1">\nointerlineskip</SEQ>
  547.             <SEQ TYPE="KEYWORD1">\leftharpoondown</SEQ>
  548.             <SEQ TYPE="KEYWORD1">\insertpenalties</SEQ>
  549.             <SEQ TYPE="KEYWORD4">\floatingpenalty</SEQ>
  550.             <SEQ TYPE="KEYWORD4">\exhyphenpenalty</SEQ>
  551.             <SEQ TYPE="KEYWORD4">\delimiterfactor</SEQ>
  552.             <SEQ TYPE="KEYWORD4">\defaultskewchar</SEQ>
  553.             <SEQ TYPE="KEYWORD1">\bigtriangledown</SEQ>
  554.             <SEQ TYPE="KEYWORD1">\afterassignment</SEQ>
  555.             <SEQ TYPE="KEYWORD1">\abovewithdelims</SEQ>
  556.  
  557.             <!-- Arbitrary control sequence of the specified length -->
  558.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{15}</SEQ_REGEXP>
  559.  
  560.         <!-- Fourteen letter control sequences -->
  561.  
  562.             <SEQ TYPE="KEYWORD1">\splitfirstmark</SEQ>
  563.             <SEQ TYPE="KEYWORD4">\showboxbreadth</SEQ>
  564.             <SEQ TYPE="KEYWORD4">\righthyphenmin</SEQ>
  565.             <SEQ TYPE="KEYWORD1">\rightharpoonup</SEQ>
  566.             <SEQ TYPE="KEYWORD1">\rightarrowfill</SEQ>
  567.             <SEQ TYPE="KEYWORD1">\removelastskip</SEQ>
  568.             <SEQ TYPE="KEYWORD4">\predisplaysize</SEQ>
  569.             <SEQ TYPE="KEYWORD1">\pagefilstretch</SEQ>
  570.             <SEQ TYPE="KEYWORD1">\overwithdelims</SEQ>
  571.             <SEQ TYPE="KEYWORD1">\overrightarrow</SEQ>
  572.             <SEQ TYPE="KEYWORD1">\normallineskip</SEQ>
  573.             <SEQ TYPE="KEYWORD1">\longrightarrow</SEQ>
  574.             <SEQ TYPE="KEYWORD1">\Longrightarrow</SEQ>
  575.             <SEQ TYPE="KEYWORD1">\Leftrightarrow</SEQ>
  576.             <SEQ TYPE="KEYWORD1">\leftrightarrow</SEQ>
  577.             <SEQ TYPE="KEYWORD1">\hookrightarrow</SEQ>
  578.             <SEQ TYPE="KEYWORD4">\holdinginserts</SEQ>
  579.             <SEQ TYPE="KEYWORD1">\atopwithdelims</SEQ>
  580.  
  581.             <!-- Arbitrary control sequence of the specified length -->
  582.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{14}</SEQ_REGEXP>
  583.  
  584.         <!-- Thirteen letter control sequences -->
  585.  
  586.             <SEQ TYPE="KEYWORD1">\ttraggedright</SEQ>
  587.             <SEQ TYPE="KEYWORD1">\triangleright</SEQ>
  588.             <SEQ TYPE="KEYWORD4">\tracingoutput</SEQ>
  589.             <SEQ TYPE="KEYWORD4">\tracingonline</SEQ>
  590.             <SEQ TYPE="KEYWORD4">\tracingmacros</SEQ>
  591.             <SEQ TYPE="KEYWORD4">\splitmaxdepth</SEQ>
  592.             <SEQ TYPE="KEYWORD1">\overleftarrow</SEQ>
  593.             <SEQ TYPE="KEYWORD4">\outputpenalty</SEQ>
  594.             <SEQ TYPE="KEYWORD1">\nopagenumbers</SEQ>
  595.             <SEQ TYPE="KEYWORD1">\medskipamount</SEQ>
  596.             <SEQ TYPE="KEYWORD4">\maxdeadcycles</SEQ>
  597.             <SEQ TYPE="KEYWORD1">\magnification</SEQ>
  598.             <SEQ TYPE="KEYWORD1">\Longleftarrow</SEQ>
  599.             <SEQ TYPE="KEYWORD1">\longleftarrow</SEQ>
  600.             <SEQ TYPE="KEYWORD4">\lineskiplimit</SEQ>
  601.             <SEQ TYPE="KEYWORD4">\lefthyphenmin    </SEQ>
  602.             <SEQ TYPE="KEYWORD1">\leftharpoonup</SEQ>
  603.             <SEQ TYPE="KEYWORD1">\leftarrowfill</SEQ>
  604.             <SEQ TYPE="KEYWORD4">\hyphenpenalty</SEQ>
  605.             <SEQ TYPE="KEYWORD1">\hookleftarrow</SEQ>
  606.             <SEQ TYPE="KEYWORD1">\frenchspacing</SEQ>
  607.             <SEQ TYPE="KEYWORD1">\errorstopmode</SEQ>
  608.             <SEQ TYPE="KEYWORD1">\downbracefill</SEQ>
  609.             <SEQ TYPE="KEYWORD1">\displaylimits</SEQ>
  610.             <SEQ TYPE="KEYWORD4">\displayindent</SEQ>
  611.             <SEQ TYPE="KEYWORD1">\discretionary</SEQ>
  612.             <SEQ TYPE="KEYWORD4">\brokenpenalty</SEQ>
  613.             <SEQ TYPE="KEYWORD1">\bigtriangleup</SEQ>
  614.             <SEQ TYPE="KEYWORD1">\bigskipamount</SEQ>
  615.             <SEQ TYPE="KEYWORD1">\advancepageno</SEQ>
  616.  
  617.             <!-- Arbitrary control sequence of the specified length -->
  618.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{13}</SEQ_REGEXP>
  619.  
  620.         <!-- Twelve letter control sequences -->
  621.  
  622.             <SEQ TYPE="KEYWORD4">\widowpenalty</SEQ>
  623.             <SEQ TYPE="KEYWORD1">\triangleleft</SEQ>
  624.             <SEQ TYPE="KEYWORD4">\tracingstats</SEQ>
  625.             <SEQ TYPE="KEYWORD4">\tracingpages</SEQ>
  626.             <SEQ TYPE="KEYWORD4">\splittopskip</SEQ>
  627.             <SEQ TYPE="KEYWORD1">\splitbotmark</SEQ>
  628.             <SEQ TYPE="KEYWORD4">\showboxdepth</SEQ>
  629.             <SEQ TYPE="KEYWORD1">\romannumeral</SEQ>
  630.             <SEQ TYPE="KEYWORD1">\raggedbottom</SEQ>
  631.             <SEQ TYPE="KEYWORD4">\pretolerance</SEQ>
  632.             <SEQ TYPE="KEYWORD1">\pagecontents</SEQ>
  633.             <SEQ TYPE="KEYWORD4">\overfullrule</SEQ>
  634.             <SEQ TYPE="KEYWORD1">\normalbottom</SEQ>
  635.             <SEQ TYPE="KEYWORD1">\negthinspace</SEQ>
  636.             <SEQ TYPE="KEYWORD4">\mathsurround</SEQ>
  637.             <SEQ TYPE="KEYWORD1">\makeheadline</SEQ>
  638.             <SEQ TYPE="KEYWORD1">\makefootline</SEQ>
  639.             <SEQ TYPE="KEYWORD1">\ignorespaces</SEQ>
  640.             <SEQ TYPE="KEYWORD1">\footnoterule</SEQ>
  641.             <SEQ TYPE="KEYWORD4">\everydisplay</SEQ>
  642.             <SEQ TYPE="KEYWORD1">\dosupereject</SEQ>
  643.             <SEQ TYPE="KEYWORD4">\displaywidth</SEQ>
  644.             <SEQ TYPE="KEYWORD1">\displaystyle</SEQ>
  645.             <SEQ TYPE="KEYWORD1">\displaylines</SEQ>
  646.             <SEQ TYPE="KEYWORD1">\bordermatrix</SEQ>
  647.             <SEQ TYPE="KEYWORD4">\binoppenalty</SEQ>
  648.             <SEQ TYPE="KEYWORD1">\beginsection</SEQ>
  649.             <SEQ TYPE="KEYWORD1">\baselineskip</SEQ>
  650.  
  651.             <!-- Arbitrary control sequence of the specified length -->
  652.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{12}</SEQ_REGEXP>
  653.  
  654.         <!-- Eleven letter control sequences -->
  655.  
  656.             <SEQ TYPE="KEYWORD1">\Updownarrow</SEQ>
  657.             <SEQ TYPE="KEYWORD1">\updownarrow</SEQ>
  658.             <SEQ TYPE="KEYWORD1">\upbracefill</SEQ>
  659.             <SEQ TYPE="KEYWORD4">\thickmuskip</SEQ>
  660.             <SEQ TYPE="KEYWORD1">\spacefactor</SEQ>
  661.             <SEQ TYPE="KEYWORD1">\showhyphens</SEQ>
  662.             <SEQ TYPE="KEYWORD1">\scriptstyle</SEQ>
  663.             <SEQ TYPE="KEYWORD4">\scriptspace</SEQ>
  664.             <SEQ TYPE="KEYWORD1">\raggedright</SEQ>
  665.             <SEQ TYPE="KEYWORD1">\plainoutput</SEQ>
  666.             <SEQ TYPE="KEYWORD4">\parfillskip</SEQ>
  667.             <SEQ TYPE="KEYWORD1">\pagestretch</SEQ>
  668.             <SEQ TYPE="KEYWORD1">\nonstopmode</SEQ>
  669.             <SEQ TYPE="COMMENT2">\newlinechar</SEQ>
  670.             <SEQ TYPE="KEYWORD1">\mathpalette</SEQ>
  671.             <SEQ TYPE="FUNCTION">\mathchardef</SEQ>
  672.             <SEQ TYPE="KEYWORD1">\magstephalf</SEQ>
  673.             <SEQ TYPE="KEYWORD4">\linepenalty</SEQ>
  674.             <SEQ TYPE="KEYWORD1">\lastpenalty</SEQ>
  675.             <SEQ TYPE="KEYWORD1">\hyphenation</SEQ>
  676.             <SEQ TYPE="KEYWORD1">\expandafter</SEQ>
  677.             <SEQ TYPE="KEYWORD4">\endlinechar</SEQ>
  678.             <SEQ TYPE="KEYWORD1">\diamondsuit</SEQ>
  679.             <SEQ TYPE="KEYWORD4">\clubpenalty</SEQ>
  680.             <SEQ TYPE="KEYWORD4">\boxmaxdepth</SEQ>
  681.             <SEQ TYPE="KEYWORD4">\adjdemerits</SEQ>
  682.  
  683.             <!-- Arbitrary control sequence of the specified length -->
  684.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{11}</SEQ_REGEXP>
  685.  
  686.         <!-- Ten letter control sequences -->
  687.  
  688.             <SEQ TYPE="KEYWORD4">\xspaceskip</SEQ>
  689.             <SEQ TYPE="KEYWORD1">\varepsilon</SEQ>
  690.             <SEQ TYPE="KEYWORD1">\underbrace</SEQ>
  691.             <SEQ TYPE="KEYWORD1">\tracingall</SEQ>
  692.             <SEQ TYPE="KEYWORD4">\thinmuskip</SEQ>
  693.             <SEQ TYPE="KEYWORD1">\textindent</SEQ>
  694.             <SEQ TYPE="KEYWORD1">\supereject</SEQ>
  695.             <SEQ TYPE="KEYWORD1">\sqsupseteq</SEQ>
  696.             <SEQ TYPE="KEYWORD1">\smallbreak</SEQ>
  697.             <SEQ TYPE="KEYWORD1">\scrollmode</SEQ>
  698.             <SEQ TYPE="KEYWORD1">\scriptfont</SEQ>
  699.             <SEQ TYPE="KEYWORD1">\rmoustache</SEQ>
  700.             <SEQ TYPE="KEYWORD1">\Rightarrow</SEQ>
  701.             <SEQ TYPE="KEYWORD1">\rightarrow</SEQ>
  702.             <SEQ TYPE="KEYWORD4">\relpenalty</SEQ>
  703.             <SEQ TYPE="KEYWORD1">\pageshrink</SEQ>
  704.             <SEQ TYPE="KEYWORD1">\pageinsert</SEQ>
  705.             <SEQ TYPE="KEYWORD1">\obeyspaces</SEQ>
  706.             <SEQ TYPE="KEYWORD1">\mathhexbox</SEQ>
  707.             <SEQ TYPE="KEYWORD1">\mathchoice</SEQ>
  708.             <SEQ TYPE="KEYWORD1">\mathaccent</SEQ>
  709.             <SEQ TYPE="KEYWORD1">\mapstochar</SEQ>
  710.             <SEQ TYPE="KEYWORD1">\longmapsto</SEQ>
  711.             <SEQ TYPE="KEYWORD1">\lmoustache</SEQ>
  712.             <SEQ TYPE="KEYWORD1">\leqalignno</SEQ>
  713.             <SEQ TYPE="KEYWORD1">\leavevmode</SEQ>
  714.             <SEQ TYPE="KEYWORD1">\hyphenchar</SEQ>
  715.             <SEQ TYPE="KEYWORD4">\hangindent</SEQ>
  716.             <SEQ TYPE="KEYWORD4">\globaldefs</SEQ>
  717.             <SEQ TYPE="KEYWORD1">\fmtversion</SEQ>
  718.             <SEQ TYPE="KEYWORD4">\escapechar</SEQ>
  719.             <SEQ TYPE="KEYWORD1">\errmessage</SEQ>
  720.             <SEQ TYPE="KEYWORD1">\dospecials</SEQ>
  721.             <SEQ TYPE="KEYWORD1">\deadcycles</SEQ>
  722.             <SEQ TYPE="KEYWORD1">\centerline</SEQ>
  723.             <SEQ TYPE="KEYWORD1">\begingroup</SEQ>
  724.             <SEQ TYPE="KEYWORD1">\allowbreak</SEQ>
  725.             <SEQ TYPE="KEYWORD1">\aftergroup</SEQ>
  726.  
  727.             <!-- Arbitrary control sequence of the specified length -->
  728.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{10}</SEQ_REGEXP>
  729.  
  730.         <!-- Nine letter control sequences -->
  731.  
  732.             <SEQ TYPE="KEYWORD1">\widetilde</SEQ>
  733.             <SEQ TYPE="KEYWORD1">\vfootnote</SEQ>
  734.             <SEQ TYPE="KEYWORD1">\uppercase</SEQ>
  735.             <SEQ TYPE="KEYWORD1">\unpenalty</SEQ>
  736.             <SEQ TYPE="KEYWORD1">\underline</SEQ>
  737.             <SEQ TYPE="KEYWORD1">\undefined</SEQ>
  738.             <SEQ TYPE="KEYWORD1">\topinsert</SEQ>
  739.             <SEQ TYPE="KEYWORD4">\tolerance</SEQ>
  740.             <SEQ TYPE="KEYWORD1">\thinspace</SEQ>
  741.             <SEQ TYPE="KEYWORD1">\textstyle</SEQ>
  742.             <SEQ TYPE="KEYWORD1">\spadesuit</SEQ>
  743.             <SEQ TYPE="KEYWORD4">\spaceskip</SEQ>
  744.             <SEQ TYPE="KEYWORD1">\smallskip</SEQ>
  745.             <SEQ TYPE="KEYWORD1">\showlists</SEQ>
  746.             <SEQ TYPE="KEYWORD4">\rightskip</SEQ>
  747.             <SEQ TYPE="KEYWORD1">\rightline</SEQ>
  748.             <SEQ TYPE="KEYWORD1">\prevdepth</SEQ>
  749.             <SEQ TYPE="KEYWORD1">\preloaded</SEQ>
  750.             <SEQ TYPE="KEYWORD4">\parindent</SEQ>
  751.             <SEQ TYPE="KEYWORD1">\pagetotal</SEQ>
  752.             <SEQ TYPE="KEYWORD1">\pagedepth</SEQ>
  753.             <SEQ TYPE="KEYWORD1">\overbrace</SEQ>
  754.             <SEQ TYPE="KEYWORD1">\obeylines</SEQ>
  755.             <SEQ TYPE="KEYWORD1">\nonscript</SEQ>
  756.             <SEQ TYPE="FUNCTION">\newmuskip</SEQ>
  757.             <SEQ TYPE="FUNCTION">\newinsert</SEQ>
  758.             <SEQ TYPE="FUNCTION">\muskipdef</SEQ>
  759.             <SEQ TYPE="KEYWORD1">\multispan</SEQ>
  760.             <SEQ TYPE="KEYWORD1">\moveright</SEQ>
  761.             <SEQ TYPE="KEYWORD1">\midinsert</SEQ>
  762.             <SEQ TYPE="KEYWORD4">\medmuskip</SEQ>
  763.             <SEQ TYPE="KEYWORD1">\mathstrut</SEQ>
  764.             <SEQ TYPE="KEYWORD1">\mathpunct</SEQ>
  765.             <SEQ TYPE="KEYWORD1">\mathinner</SEQ>
  766.             <SEQ TYPE="KEYWORD1">\mathclose</SEQ>
  767.             <SEQ TYPE="KEYWORD1">\lowercase</SEQ>
  768.             <SEQ TYPE="KEYWORD4">\looseness</SEQ>
  769.             <SEQ TYPE="KEYWORD1">\Leftarrow</SEQ>
  770.             <SEQ TYPE="KEYWORD1">\leftarrow</SEQ>
  771.             <SEQ TYPE="KEYWORD1">\immediate</SEQ>
  772.             <SEQ TYPE="KEYWORD1">\hrulefill</SEQ>
  773.             <SEQ TYPE="KEYWORD1">\hidewidth</SEQ>
  774.             <SEQ TYPE="KEYWORD1">\heartsuit</SEQ>
  775.             <SEQ TYPE="KEYWORD4">\hangafter</SEQ>
  776.             <SEQ TYPE="KEYWORD1">\goodbreak</SEQ>
  777.             <SEQ TYPE="COMMENT3">\futurelet</SEQ>
  778.             <SEQ TYPE="KEYWORD1">\footstrut</SEQ>
  779.             <SEQ TYPE="KEYWORD1">\fontdimen</SEQ>
  780.             <SEQ TYPE="KEYWORD1">\firstmark</SEQ>
  781.             <SEQ TYPE="KEYWORD4">\everyvbox</SEQ>
  782.             <SEQ TYPE="KEYWORD4">\everymath</SEQ>
  783.             <SEQ TYPE="KEYWORD4">\everyhbox</SEQ>
  784.             <SEQ TYPE="KEYWORD1">\eqalignno</SEQ>
  785.             <SEQ TYPE="KEYWORD1">\endinsert</SEQ>
  786.             <SEQ TYPE="FUNCTION">\endcsname</SEQ>
  787.             <SEQ TYPE="KEYWORD1">\Downarrow</SEQ>
  788.             <SEQ TYPE="KEYWORD1">\downarrow</SEQ>
  789.             <SEQ TYPE="KEYWORD1">\delimiter</SEQ>
  790.             <SEQ TYPE="KEYWORD1">\copyright</SEQ>
  791.             <SEQ TYPE="KEYWORD1">\cleartabs</SEQ>
  792.             <SEQ TYPE="KEYWORD1">\centering</SEQ>
  793.             <SEQ TYPE="KEYWORD1">\bracevert</SEQ>
  794.             <SEQ TYPE="KEYWORD1">\bigotimes</SEQ>
  795.             <SEQ TYPE="KEYWORD1">\batchmode</SEQ>
  796.             <SEQ TYPE="KEYWORD2">\backslash</SEQ>
  797.             <SEQ TYPE="KEYWORD1">\Arrowvert</SEQ>
  798.             <SEQ TYPE="KEYWORD1">\arrowvert</SEQ>
  799.  
  800.             <!-- Length Nine Register Reference -->
  801.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  802.                     >\\muskip([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  803.  
  804.             <!-- Arbitrary control sequence of the specified length -->
  805.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{9}</SEQ_REGEXP>
  806.  
  807.         <!-- Eight letter control sequences -->
  808.  
  809.             <SEQ TYPE="KEYWORD1">\xleaders</SEQ>
  810.             <SEQ TYPE="KEYWORD1">\vphantom</SEQ>
  811.             <SEQ TYPE="KEYWORD4">\vbadness</SEQ>
  812.             <SEQ TYPE="KEYWORD1">\vartheta</SEQ>
  813.             <SEQ TYPE="KEYWORD1">\varsigma</SEQ>
  814.             <SEQ TYPE="KEYWORD1">\underbar</SEQ>
  815.             <SEQ TYPE="KEYWORD1">\triangle</SEQ>
  816.             <SEQ TYPE="KEYWORD1">\textfont</SEQ>
  817.             <SEQ TYPE="KEYWORD1">\tabsdone</SEQ>
  818.             <SEQ TYPE="KEYWORD1">\tabalign</SEQ>
  819.             <SEQ TYPE="KEYWORD1">\supseteq</SEQ>
  820.             <SEQ TYPE="KEYWORD1">\subseteq</SEQ>
  821.             <SEQ TYPE="KEYWORD1">\strutbox</SEQ>
  822.             <SEQ TYPE="KEYWORD1">\smallint</SEQ>
  823.             <SEQ TYPE="KEYWORD1">\skewchar</SEQ>
  824.             <SEQ TYPE="KEYWORD1">\setminus</SEQ>
  825.             <SEQ TYPE="KEYWORD1">\proclaim</SEQ>
  826.             <SEQ TYPE="KEYWORD1">\prevgraf</SEQ>
  827.             <SEQ TYPE="KEYWORD1">\patterns</SEQ>
  828.             <SEQ TYPE="KEYWORD1">\parshape</SEQ>
  829.             <SEQ TYPE="KEYWORD1">\parallel</SEQ>
  830.             <SEQ TYPE="KEYWORD1">\pagegoal</SEQ>
  831.             <SEQ TYPE="KEYWORD1">\pagebody</SEQ>
  832.             <SEQ TYPE="KEYWORD1">\overline</SEQ>
  833.             <SEQ TYPE="KEYWORD1">\oldstyle</SEQ>
  834.             <SEQ TYPE="KEYWORD1">\nolimits</SEQ>
  835.             <SEQ TYPE="KEYWORD1">\noindent</SEQ>
  836.             <SEQ TYPE="KEYWORD1">\noexpand</SEQ>
  837.             <SEQ TYPE="COMMENT2">\newwrite</SEQ>
  838.             <SEQ TYPE="COMMENT2">\newdimen</SEQ>
  839.             <SEQ TYPE="COMMENT2">\newcount</SEQ>
  840.             <SEQ TYPE="KEYWORD1">\narrower</SEQ>
  841.             <SEQ TYPE="KEYWORD1">\moveleft</SEQ>
  842.             <SEQ TYPE="KEYWORD1">\medbreak</SEQ>
  843.             <SEQ TYPE="KEYWORD1">\maxdimen</SEQ>
  844.             <SEQ TYPE="KEYWORD4">\maxdepth</SEQ>
  845.             <SEQ TYPE="KEYWORD1">\mathopen</SEQ>
  846.             <SEQ TYPE="KEYWORD1">\mathcode</SEQ>
  847.             <SEQ TYPE="KEYWORD1">\mathchar</SEQ>
  848.             <SEQ TYPE="KEYWORD1">\lineskip</SEQ>
  849.             <SEQ TYPE="KEYWORD4">\leftskip</SEQ>
  850.             <SEQ TYPE="KEYWORD4">\leftline</SEQ>
  851.             <SEQ TYPE="KEYWORD1">\lastskip</SEQ>
  852.             <SEQ TYPE="KEYWORD1">\lastkern</SEQ>
  853.             <SEQ TYPE="KEYWORD4">\language</SEQ>
  854.             <SEQ TYPE="KEYWORD1">\itemitem</SEQ>
  855.             <SEQ TYPE="KEYWORD1">\hphantom</SEQ>
  856.             <SEQ TYPE="KEYWORD1">\hideskip</SEQ>
  857.             <SEQ TYPE="KEYWORD1">\headline</SEQ>
  858.             <SEQ TYPE="KEYWORD4">\hbadness</SEQ>
  859.             <SEQ TYPE="KEYWORD1">\footnote</SEQ>
  860.             <SEQ TYPE="KEYWORD1">\footline</SEQ>
  861.             <SEQ TYPE="KEYWORD1">\multiply</SEQ>
  862.             <SEQ TYPE="KEYWORD1">\fontname</SEQ>
  863.             <SEQ TYPE="KEYWORD1">\filbreak</SEQ>
  864.             <SEQ TYPE="KEYWORD4">\everypar</SEQ>
  865.             <SEQ TYPE="KEYWORD4">\everyjob</SEQ>
  866.             <SEQ TYPE="KEYWORD1">\endinput</SEQ>
  867.             <SEQ TYPE="KEYWORD1">\endgroup</SEQ>
  868.             <SEQ TYPE="KEYWORD1">\emptyset</SEQ>
  869.             <SEQ TYPE="FUNCTION">\dimendef</SEQ>
  870.             <SEQ TYPE="FUNCTION">\countdef</SEQ>
  871.             <SEQ TYPE="KEYWORD1">\clubsuit</SEQ>
  872.             <SEQ TYPE="KEYWORD1">\closeout</SEQ>
  873.             <SEQ TYPE="KEYWORD1">\cleaders</SEQ>
  874.             <SEQ TYPE="KEYWORD1">\buildrel</SEQ>
  875.             <SEQ TYPE="KEYWORD1">\bigwedge</SEQ>
  876.             <SEQ TYPE="KEYWORD1">\biguplus</SEQ>
  877.             <SEQ TYPE="KEYWORD1">\bigsqcup</SEQ>
  878.             <SEQ TYPE="KEYWORD1">\bigoplus</SEQ>
  879.             <SEQ TYPE="KEYWORD1">\bigbreak</SEQ>
  880.  
  881.             <!-- Length Eight Register Reference -->
  882.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  883.                     >\\muskip[0-9][0-9]</SEQ_REGEXP>
  884.  
  885.             <!-- Length Eight Register Reference -->
  886.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  887.                     >\\dimen([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  888.  
  889.             <!-- Length Eight Register Reference -->
  890.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  891.                     >\\count([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  892.  
  893.             <!-- Arbitrary control sequence of the specified length -->
  894.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{8}</SEQ_REGEXP>
  895.  
  896.         <!-- Seven letter control sequences -->
  897.  
  898.             <SEQ TYPE="KEYWORD1">\widehat</SEQ>
  899.             <SEQ TYPE="KEYWORD4">\voffset</SEQ>
  900.             <SEQ TYPE="KEYWORD1">\vfilneg</SEQ>
  901.             <SEQ TYPE="KEYWORD1">\vcenter</SEQ>
  902.             <SEQ TYPE="KEYWORD1">\vadjust</SEQ>
  903.             <SEQ TYPE="KEYWORD1">\Upsilon</SEQ>
  904.             <SEQ TYPE="KEYWORD1">\upsilon</SEQ>
  905.             <SEQ TYPE="KEYWORD1">\Uparrow</SEQ>
  906.             <SEQ TYPE="KEYWORD1">\uparrow</SEQ>
  907.             <SEQ TYPE="KEYWORD1">\unvcopy</SEQ>
  908.             <SEQ TYPE="KEYWORD1">\unhcopy</SEQ>
  909.             <SEQ TYPE="KEYWORD4">\topskip</SEQ>
  910.             <SEQ TYPE="KEYWORD1">\topmark</SEQ>
  911.             <SEQ TYPE="FUNCTION">\toksdef</SEQ>
  912.             <SEQ TYPE="KEYWORD1">\tabsyet</SEQ>
  913.             <SEQ TYPE="KEYWORD4">\tabskip</SEQ>
  914.             <SEQ TYPE="KEYWORD1">\swarrow</SEQ>
  915.             <SEQ TYPE="KEYWORD1">\special</SEQ>
  916.             <SEQ TYPE="FUNCTION">\skipdef</SEQ>
  917.             <SEQ TYPE="KEYWORD1">\showthe</SEQ>
  918.             <SEQ TYPE="KEYWORD1">\showbox</SEQ>
  919.             <SEQ TYPE="KEYWORD1">\shipout</SEQ>
  920.             <SEQ TYPE="KEYWORD1">\sevensy</SEQ>
  921.             <SEQ TYPE="KEYWORD1">\sevenrm</SEQ>
  922.             <SEQ TYPE="KEYWORD1">\sevenbf</SEQ>
  923.             <SEQ TYPE="KEYWORD1">\settabs</SEQ>
  924.             <SEQ TYPE="KEYWORD1">\searrow</SEQ>
  925.             <SEQ TYPE="KEYWORD1">\rootbox</SEQ>
  926.             <SEQ TYPE="KEYWORD1">\radical</SEQ>
  927.             <SEQ TYPE="KEYWORD1">\pmatrix</SEQ>
  928.             <SEQ TYPE="KEYWORD1">\phantom</SEQ>
  929.             <SEQ TYPE="KEYWORD1">\penalty</SEQ>
  930.             <SEQ TYPE="KEYWORD4">\pausing</SEQ>
  931.             <SEQ TYPE="KEYWORD1">\partial</SEQ>
  932.             <SEQ TYPE="KEYWORD4">\parskip</SEQ>
  933.             <SEQ TYPE="KEYWORD1">\openout</SEQ>
  934.             <SEQ TYPE="KEYWORD1">\ooalign</SEQ>
  935.             <SEQ TYPE="KEYWORD1">\nwarrow</SEQ>
  936.             <SEQ TYPE="KEYWORD1">\nobreak</SEQ>
  937.             <SEQ TYPE="KEYWORD1">\noalign</SEQ>
  938.             <SEQ TYPE="COMMENT2">\newtoks</SEQ>
  939.             <SEQ TYPE="COMMENT2">\newskip</SEQ>
  940.             <SEQ TYPE="COMMENT2">\newread</SEQ>
  941.             <SEQ TYPE="COMMENT2">\newhelp</SEQ>
  942.             <SEQ TYPE="KEYWORD1">\nearrow</SEQ>
  943.             <SEQ TYPE="KEYWORD1">\natural</SEQ>
  944.             <SEQ TYPE="KEYWORD1">\mscount</SEQ>
  945.             <SEQ TYPE="KEYWORD1">\message</SEQ>
  946.             <SEQ TYPE="KEYWORD1">\medskip</SEQ>
  947.             <SEQ TYPE="KEYWORD1">\meaning</SEQ>
  948.             <SEQ TYPE="KEYWORD1">\mathrel</SEQ>
  949.             <SEQ TYPE="KEYWORD1">\mathord</SEQ>
  950.             <SEQ TYPE="KEYWORD1">\mathbin</SEQ>
  951.             <SEQ TYPE="KEYWORD1">\magstep</SEQ>
  952.             <SEQ TYPE="KEYWORD1">\leaders</SEQ>
  953.             <SEQ TYPE="KEYWORD1">\lastbox</SEQ>
  954.             <SEQ TYPE="KEYWORD1">\joinrel</SEQ>
  955.             <SEQ TYPE="KEYWORD1">\jobname</SEQ>
  956.             <SEQ TYPE="KEYWORD1">\iterate</SEQ>
  957.             <SEQ TYPE="KEYWORD3">\ifvmode</SEQ>
  958.             <SEQ TYPE="KEYWORD3">\ifmmode</SEQ>
  959.             <SEQ TYPE="KEYWORD3">\ifinner</SEQ>
  960.             <SEQ TYPE="KEYWORD3">\ifhmode</SEQ>
  961.             <SEQ TYPE="KEYWORD3">\iffalse</SEQ>
  962.             <SEQ TYPE="KEYWORD4">\hoffset</SEQ>
  963.             <SEQ TYPE="KEYWORD1">\hfilneg</SEQ>
  964.             <SEQ TYPE="KEYWORD1">\footins</SEQ>
  965.             <SEQ TYPE="KEYWORD1">\fmtname</SEQ>
  966.             <SEQ TYPE="KEYWORD4">\everycr</SEQ>
  967.             <SEQ TYPE="KEYWORD4">\errhelp</SEQ>
  968.             <SEQ TYPE="KEYWORD1">\eqalign</SEQ>
  969.             <SEQ TYPE="KEYWORD1">\epsilon</SEQ>
  970.             <SEQ TYPE="KEYWORD1">\enspace</SEQ>
  971.             <SEQ TYPE="KEYWORD1">\endline</SEQ>
  972.             <SEQ TYPE="KEYWORD1">\endgraf</SEQ>
  973.             <SEQ TYPE="KEYWORD1">\dotfill</SEQ>
  974.             <SEQ TYPE="KEYWORD1">\diamond</SEQ>
  975.             <SEQ TYPE="KEYWORD1">\delcode</SEQ>
  976.             <SEQ TYPE="KEYWORD1">\ddagger</SEQ>
  977.             <SEQ TYPE="KEYWORD1">\columns</SEQ>
  978.             <SEQ TYPE="KEYWORD1">\closein</SEQ>
  979.             <SEQ TYPE="FUNCTION">\chardef</SEQ>
  980.             <SEQ TYPE="KEYWORD2">\cdprime</SEQ>
  981.             <SEQ TYPE="KEYWORD1">\catcode</SEQ>
  982.             <SEQ TYPE="KEYWORD1">\braceru</SEQ>
  983.             <SEQ TYPE="KEYWORD1">\bracerd</SEQ>
  984.             <SEQ TYPE="KEYWORD1">\bracelu</SEQ>
  985.             <SEQ TYPE="KEYWORD1">\braceld</SEQ>
  986.             <SEQ TYPE="KEYWORD1">\botmark</SEQ>
  987.             <SEQ TYPE="KEYWORD1">\bigskip</SEQ>
  988.             <SEQ TYPE="KEYWORD1">\bigodot</SEQ>
  989.             <SEQ TYPE="KEYWORD1">\bigcirc</SEQ>
  990.             <SEQ TYPE="KEYWORD1">\advance</SEQ>
  991.  
  992.             <!-- Length Seven Register Reference -->
  993.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4">\\muskip[0-9]</SEQ_REGEXP>
  994.  
  995.             <!-- Length Seven Register Reference -->
  996.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  997.                     >\\dimen[0-9][0-9]</SEQ_REGEXP>
  998.  
  999.             <!-- Length Seven Register Reference -->
  1000.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1001.                     >\\count[0-9][0-9]</SEQ_REGEXP>
  1002.  
  1003.             <!-- Length Seven Register Reference -->
  1004.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1005.                     >\\toks([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  1006.  
  1007.             <!-- Length Seven Register Reference -->
  1008.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1009.                     >\\skip([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  1010.  
  1011.             <!-- Length Seven Decimal Character Reference -->
  1012.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  1013.                     >\\char([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  1014.  
  1015.             <!-- Length Seven Octal Character Reference -->
  1016.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  1017.                     >\\char'[0-7][0-7]</SEQ_REGEXP>
  1018.  
  1019.             <!-- Length Seven Hexadecimal Character Reference -->
  1020.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  1021.                     >\\char"[0-9A-Fa-f][0-9A-Fa-f]</SEQ_REGEXP>
  1022.  
  1023.             <!-- Arbitrary control sequence of the specified length -->
  1024.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{7}</SEQ_REGEXP>
  1025.  
  1026.         <!-- Six letter control sequences -->
  1027.  
  1028.             <SEQ TYPE="KEYWORD1">\vsplit</SEQ>
  1029.             <SEQ TYPE="KEYWORD1">\varrho</SEQ>
  1030.             <SEQ TYPE="KEYWORD1">\varphi</SEQ>
  1031.             <SEQ TYPE="KEYWORD1">\valign</SEQ>
  1032.             <SEQ TYPE="KEYWORD2">\utilde</SEQ>
  1033.             <SEQ TYPE="KEYWORD1">\unvbox</SEQ>
  1034.             <SEQ TYPE="KEYWORD1">\unskip</SEQ>
  1035.             <SEQ TYPE="KEYWORD1">\unkern</SEQ>
  1036.             <SEQ TYPE="KEYWORD1">\unhbox</SEQ>
  1037.             <SEQ TYPE="KEYWORD4">\uchyph</SEQ>
  1038.             <SEQ TYPE="KEYWORD1">\uccode</SEQ>
  1039.             <SEQ TYPE="KEYWORD1">\topins</SEQ>
  1040.             <SEQ TYPE="KEYWORD1">\supset</SEQ>
  1041.             <SEQ TYPE="KEYWORD1">\succeq</SEQ>
  1042.             <SEQ TYPE="KEYWORD1">\subset</SEQ>
  1043.             <SEQ TYPE="KEYWORD1">\string</SEQ>
  1044.             <SEQ TYPE="KEYWORD1">\sfcode</SEQ>
  1045.             <SEQ TYPE="KEYWORD1">\seveni</SEQ>
  1046.             <SEQ TYPE="KEYWORD1">\setbox</SEQ>
  1047.             <SEQ TYPE="KEYWORD1">\rgroup</SEQ>
  1048.             <SEQ TYPE="KEYWORD1">\rfloor</SEQ>
  1049.             <SEQ TYPE="KEYWORD1">\repeat</SEQ>
  1050.             <SEQ TYPE="KEYWORD1">\Relbar</SEQ>
  1051.             <SEQ TYPE="KEYWORD1">\relbar</SEQ>
  1052.             <SEQ TYPE="KEYWORD1">\rbrack</SEQ>
  1053.             <SEQ TYPE="KEYWORD1">\rbrace</SEQ>
  1054.             <SEQ TYPE="KEYWORD1">\rangle</SEQ>
  1055.             <SEQ TYPE="KEYWORD1">\propto</SEQ>
  1056.             <SEQ TYPE="KEYWORD1">\preceq</SEQ>
  1057.             <SEQ TYPE="KEYWORD1">\pageno</SEQ>
  1058.             <SEQ TYPE="KEYWORD4">\output</SEQ>
  1059.             <SEQ TYPE="KEYWORD1">\otimes</SEQ>
  1060.             <SEQ TYPE="KEYWORD1">\oslash</SEQ>
  1061.             <SEQ TYPE="KEYWORD1">\openup</SEQ>
  1062.             <SEQ TYPE="KEYWORD1">\openin</SEQ>
  1063.             <SEQ TYPE="KEYWORD1">\ominus</SEQ>
  1064.             <SEQ TYPE="KEYWORD1">\ointop</SEQ>
  1065.             <SEQ TYPE="KEYWORD1">\oalign</SEQ>
  1066.             <SEQ TYPE="KEYWORD1">\number</SEQ>
  1067.             <SEQ TYPE="COMMENT2">\newfam</SEQ>
  1068.             <SEQ TYPE="COMMENT2">\newbox</SEQ>
  1069.             <SEQ TYPE="COMMENT4">\muskip</SEQ>
  1070.             <SEQ TYPE="KEYWORD1">\models</SEQ>
  1071.             <SEQ TYPE="KEYWORD1">\matrix</SEQ>
  1072.             <SEQ TYPE="KEYWORD1">\mathop</SEQ>
  1073.             <SEQ TYPE="KEYWORD1">\mapsto</SEQ>
  1074.             <SEQ TYPE="KEYWORD1">\limsup</SEQ>
  1075.             <SEQ TYPE="KEYWORD1">\limits</SEQ>
  1076.             <SEQ TYPE="KEYWORD1">\liminf</SEQ>
  1077.             <SEQ TYPE="KEYWORD1">\lgroup</SEQ>
  1078.             <SEQ TYPE="KEYWORD2">\lfhook</SEQ>
  1079.             <SEQ TYPE="KEYWORD1">\lfloor</SEQ>
  1080.             <SEQ TYPE="KEYWORD1">\lccode</SEQ>
  1081.             <SEQ TYPE="KEYWORD1">\lbrack</SEQ>
  1082.             <SEQ TYPE="KEYWORD1">\lbrace</SEQ>
  1083.             <SEQ TYPE="KEYWORD1">\langle</SEQ>
  1084.             <SEQ TYPE="KEYWORD1">\Lambda</SEQ>
  1085.             <SEQ TYPE="KEYWORD1">\lambda</SEQ>
  1086.             <SEQ TYPE="KEYWORD1">\insert</SEQ>
  1087.             <SEQ TYPE="KEYWORD1">\indent</SEQ>
  1088.             <SEQ TYPE="KEYWORD3">\ifvoid</SEQ>
  1089.             <SEQ TYPE="KEYWORD3">\ifvbox</SEQ>
  1090.             <SEQ TYPE="KEYWORD3">\iftrue</SEQ>
  1091.             <SEQ TYPE="KEYWORD3">\ifhbox</SEQ>
  1092.             <SEQ TYPE="KEYWORD3">\ifcase</SEQ>
  1093.             <SEQ TYPE="KEYWORD1">\ialign</SEQ>
  1094.             <SEQ TYPE="KEYWORD1">\halign</SEQ>
  1095.             <SEQ TYPE="FUNCTION">\global</SEQ>
  1096.             <SEQ TYPE="KEYWORD1">\forall</SEQ>
  1097.             <SEQ TYPE="KEYWORD1">\fivesy</SEQ>
  1098.             <SEQ TYPE="KEYWORD1">\fiverm</SEQ>
  1099.             <SEQ TYPE="KEYWORD1">\fivebf</SEQ>
  1100.             <SEQ TYPE="KEYWORD1">\exists</SEQ>
  1101.             <SEQ TYPE="KEYWORD1">\enskip</SEQ>
  1102.             <SEQ TYPE="KEYWORD1">\egroup</SEQ>
  1103.             <SEQ TYPE="KEYWORD1">\divide</SEQ>
  1104.             <SEQ TYPE="KEYWORD1">\dagger</SEQ>
  1105.             <SEQ TYPE="FUNCTION">\csname</SEQ>
  1106.             <SEQ TYPE="KEYWORD2">\cprime</SEQ>
  1107.             <SEQ TYPE="KEYWORD1">\coprod</SEQ>
  1108.             <SEQ TYPE="KEYWORD1">\choose</SEQ>
  1109.             <SEQ TYPE="KEYWORD2">\cfudot</SEQ>
  1110.             <SEQ TYPE="KEYWORD2">\candra</SEQ>
  1111.             <SEQ TYPE="KEYWORD1">\bullet</SEQ>
  1112.             <SEQ TYPE="KEYWORD1">\bowtie</SEQ>
  1113.             <SEQ TYPE="KEYWORD1">\bigvee</SEQ>
  1114.             <SEQ TYPE="KEYWORD1">\bigcup</SEQ>
  1115.             <SEQ TYPE="KEYWORD1">\bigcap</SEQ>
  1116.             <SEQ TYPE="KEYWORD1">\bgroup</SEQ>
  1117.             <SEQ TYPE="KEYWORD1">\arctan</SEQ>
  1118.             <SEQ TYPE="KEYWORD1">\arcsin</SEQ>
  1119.             <SEQ TYPE="KEYWORD1">\arccos</SEQ>
  1120.             <SEQ TYPE="KEYWORD1">\approx</SEQ>
  1121.             <SEQ TYPE="KEYWORD2">\acudot</SEQ>
  1122.             <SEQ TYPE="KEYWORD1">\active</SEQ>
  1123.             <SEQ TYPE="KEYWORD1">\accent</SEQ>
  1124.  
  1125.             <!-- Length Six Register Reference -->
  1126.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1127.                     >\\dimen[0-9]</SEQ_REGEXP>
  1128.  
  1129.             <!-- Length Six Register Reference -->
  1130.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1131.                     >\\count[0-9]</SEQ_REGEXP>
  1132.  
  1133.             <!-- Length Six Register Reference -->
  1134.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1135.                     >\\toks[0-9][0-9]</SEQ_REGEXP>
  1136.  
  1137.             <!-- Length Six Register Reference -->
  1138.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1139.                     >\\skip[0-9][0-9]</SEQ_REGEXP>
  1140.  
  1141.             <!-- Length Six Register Reference -->
  1142.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1143.                     >\\box([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  1144.  
  1145.             <!-- Length Six Decimal Character Reference -->
  1146.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  1147.                     >\\char[0-9][0-9]</SEQ_REGEXP>
  1148.  
  1149.             <!-- Length Six Octal Character Reference -->
  1150.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2">\\char'[0-7]</SEQ_REGEXP>
  1151.  
  1152.             <!-- Length Six Hexadecimal Character Reference -->
  1153.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  1154.                     >\\char"[0-9A-Fa-f]</SEQ_REGEXP>
  1155.  
  1156.             <!-- Arbitrary control sequence of the specified length -->
  1157.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{6}</SEQ_REGEXP>
  1158.  
  1159.         <!-- Five letter control sequences -->
  1160.  
  1161.             <SEQ TYPE="KEYWORD1">\write</SEQ>
  1162.             <SEQ TYPE="KEYWORD1">\wedge</SEQ>
  1163.             <SEQ TYPE="KEYWORD1">\vskip</SEQ>
  1164.             <SEQ TYPE="KEYWORD4">\vsize</SEQ>
  1165.             <SEQ TYPE="KEYWORD1">\vrule</SEQ>
  1166.             <SEQ TYPE="KEYWORD1">\vglue</SEQ>
  1167.             <SEQ TYPE="KEYWORD4">\vfuzz</SEQ>
  1168.             <SEQ TYPE="KEYWORD1">\vfill</SEQ>
  1169.             <SEQ TYPE="KEYWORD1">\vdots</SEQ>
  1170.             <SEQ TYPE="KEYWORD1">\vdash</SEQ>
  1171.             <SEQ TYPE="KEYWORD1">\varpi</SEQ>
  1172.             <SEQ TYPE="KEYWORD1">\uplus</SEQ>
  1173.             <SEQ TYPE="KEYWORD1">\ttfam</SEQ>
  1174.             <SEQ TYPE="KEYWORD1">\times</SEQ>
  1175.             <SEQ TYPE="KEYWORD1">\tilde</SEQ>
  1176.             <SEQ TYPE="KEYWORD1">\Theta</SEQ>
  1177.             <SEQ TYPE="KEYWORD1">\theta</SEQ>
  1178.             <SEQ TYPE="KEYWORD1">\tentt</SEQ>
  1179.             <SEQ TYPE="KEYWORD1">\tensy</SEQ>
  1180.             <SEQ TYPE="KEYWORD1">\tensl</SEQ>
  1181.             <SEQ TYPE="KEYWORD1">\tenrm</SEQ>
  1182.             <SEQ TYPE="KEYWORD1">\tenit</SEQ>
  1183.             <SEQ TYPE="KEYWORD1">\tenex</SEQ>
  1184.             <SEQ TYPE="KEYWORD1">\tenbf</SEQ>
  1185.             <SEQ TYPE="KEYWORD1">\strut</SEQ>
  1186.             <SEQ TYPE="KEYWORD1">\sqcup</SEQ>
  1187.             <SEQ TYPE="KEYWORD1">\sqcap</SEQ>
  1188.             <SEQ TYPE="KEYWORD1">\space</SEQ>
  1189.             <SEQ TYPE="KEYWORD1">\smile</SEQ>
  1190.             <SEQ TYPE="KEYWORD1">\smash</SEQ>
  1191.             <SEQ TYPE="KEYWORD1">\slfam</SEQ>
  1192.             <SEQ TYPE="KEYWORD1">\slash</SEQ>
  1193.             <SEQ TYPE="KEYWORD1">\simeq</SEQ>
  1194.             <SEQ TYPE="KEYWORD1">\Sigma</SEQ>
  1195.             <SEQ TYPE="KEYWORD1">\sigma</SEQ>
  1196.             <SEQ TYPE="KEYWORD1">\sharp</SEQ>
  1197.             <SEQ TYPE="KEYWORD1">\right</SEQ>
  1198.             <SEQ TYPE="KEYWORD1">\rhook</SEQ>
  1199.             <SEQ TYPE="KEYWORD1">\relax</SEQ>
  1200.             <SEQ TYPE="KEYWORD1">\rceil</SEQ>
  1201.             <SEQ TYPE="KEYWORD1">\raise</SEQ>
  1202.             <SEQ TYPE="KEYWORD1">\qquad</SEQ>
  1203.             <SEQ TYPE="KEYWORD1">\prime</SEQ>
  1204.             <SEQ TYPE="FUNCTION">\outer</SEQ>
  1205.             <SEQ TYPE="KEYWORD1">\oplus</SEQ>
  1206.             <SEQ TYPE="KEYWORD1">\Omega</SEQ>
  1207.             <SEQ TYPE="KEYWORD1">\omega</SEQ>
  1208.             <SEQ TYPE="KEYWORD1">\notin</SEQ>
  1209.             <SEQ TYPE="COMMENT2">\newif</SEQ>
  1210.             <SEQ TYPE="KEYWORD1">\nabla</SEQ>
  1211.             <SEQ TYPE="KEYWORD1">\mskip</SEQ>
  1212.             <SEQ TYPE="KEYWORD4">\month</SEQ>
  1213.             <SEQ TYPE="KEYWORD1">\mkern</SEQ>
  1214.             <SEQ TYPE="KEYWORD1">\lower</SEQ>
  1215.             <SEQ TYPE="KEYWORD1">\lhook</SEQ>
  1216.             <SEQ TYPE="KEYWORD1">\leqno</SEQ>
  1217.             <SEQ TYPE="KEYWORD1">\ldots</SEQ>
  1218.             <SEQ TYPE="KEYWORD1">\ldotp</SEQ>
  1219.             <SEQ TYPE="KEYWORD1">\lceil</SEQ>
  1220.             <SEQ TYPE="KEYWORD1">\kappa</SEQ>
  1221.             <SEQ TYPE="KEYWORD1">\jmath</SEQ>
  1222.             <SEQ TYPE="KEYWORD1">\itfam</SEQ>
  1223.             <SEQ TYPE="KEYWORD1">\intop</SEQ>
  1224.             <SEQ TYPE="KEYWORD1">\input</SEQ>
  1225.             <SEQ TYPE="KEYWORD1">\infty</SEQ>
  1226.             <SEQ TYPE="KEYWORD1">\imath</SEQ>
  1227.             <SEQ TYPE="KEYWORD3">\ifodd</SEQ>
  1228.             <SEQ TYPE="KEYWORD3">\ifnum</SEQ>
  1229.             <SEQ TYPE="KEYWORD3">\ifeof</SEQ>
  1230.             <SEQ TYPE="KEYWORD3">\ifdim</SEQ>
  1231.             <SEQ TYPE="KEYWORD3">\ifcat</SEQ>
  1232.             <SEQ TYPE="KEYWORD1">\hskip</SEQ>
  1233.             <SEQ TYPE="KEYWORD4">\hsize</SEQ>
  1234.             <SEQ TYPE="KEYWORD1">\hrule</SEQ>
  1235.             <SEQ TYPE="KEYWORD1">\hglue</SEQ>
  1236.             <SEQ TYPE="KEYWORD4">\hfuzz</SEQ>
  1237.             <SEQ TYPE="KEYWORD1">\hfill</SEQ>
  1238.             <SEQ TYPE="KEYWORD1">\grave</SEQ>
  1239.             <SEQ TYPE="KEYWORD1">\Gamma</SEQ>
  1240.             <SEQ TYPE="KEYWORD1">\gamma</SEQ>
  1241.             <SEQ TYPE="KEYWORD1">\frown</SEQ>
  1242.             <SEQ TYPE="KEYWORD1">\folio</SEQ>
  1243.             <SEQ TYPE="KEYWORD1">\fivei</SEQ>
  1244.             <SEQ TYPE="KEYWORD1">\equiv</SEQ>
  1245.             <SEQ TYPE="KEYWORD1">\empty</SEQ>
  1246.             <SEQ TYPE="KEYWORD1">\eject</SEQ>
  1247.             <SEQ TYPE="KEYWORD1">\doteq</SEQ>
  1248.             <SEQ TYPE="COMMENT4">\dimen</SEQ>
  1249.             <SEQ TYPE="KEYWORD1">\Delta</SEQ>
  1250.             <SEQ TYPE="KEYWORD1">\delta</SEQ>
  1251.             <SEQ TYPE="KEYWORD1">\ddots</SEQ>
  1252.             <SEQ TYPE="KEYWORD1">\dashv</SEQ>
  1253.             <SEQ TYPE="COMMENT4">\count</SEQ>
  1254.             <SEQ TYPE="KEYWORD1">\colon</SEQ>
  1255.             <SEQ TYPE="KEYWORD1">\check</SEQ>
  1256.             <SEQ TYPE="KEYWORD1">\cdots</SEQ>
  1257.             <SEQ TYPE="KEYWORD1">\cdotp</SEQ>
  1258.             <SEQ TYPE="KEYWORD1">\cases</SEQ>
  1259.             <SEQ TYPE="KEYWORD1">\breve</SEQ>
  1260.             <SEQ TYPE="KEYWORD1">\break</SEQ>
  1261.             <SEQ TYPE="KEYWORD1">\brack</SEQ>
  1262.             <SEQ TYPE="KEYWORD1">\brace</SEQ>
  1263.             <SEQ TYPE="KEYWORD1">\Biggr</SEQ>
  1264.             <SEQ TYPE="KEYWORD1">\biggr</SEQ>
  1265.             <SEQ TYPE="KEYWORD1">\Biggm</SEQ>
  1266.             <SEQ TYPE="KEYWORD1">\biggm</SEQ>
  1267.             <SEQ TYPE="KEYWORD1">\Biggl</SEQ>
  1268.             <SEQ TYPE="KEYWORD1">\biggl</SEQ>
  1269.             <SEQ TYPE="KEYWORD1">\bffam</SEQ>
  1270.             <SEQ TYPE="KEYWORD1">\asymp</SEQ>
  1271.             <SEQ TYPE="KEYWORD1">\angle</SEQ>
  1272.             <SEQ TYPE="KEYWORD1">\amalg</SEQ>
  1273.             <SEQ TYPE="KEYWORD1">\alpha</SEQ>
  1274.             <SEQ TYPE="KEYWORD1">\aleph</SEQ>
  1275.             <SEQ TYPE="KEYWORD1">\acute</SEQ>
  1276.             <SEQ TYPE="KEYWORD1">\above</SEQ>
  1277.  
  1278.             <!-- Length Five Register Reference -->
  1279.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4">\\toks[0-9]</SEQ_REGEXP>
  1280.  
  1281.             <!-- Length Five Register Reference -->
  1282.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4">\\skip[0-9]</SEQ_REGEXP>
  1283.  
  1284.             <!-- Length Five Register Reference -->
  1285.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  1286.                     >\\box[0-9][0-9]</SEQ_REGEXP>
  1287.  
  1288.             <!-- Length Five Decimal Character Reference -->
  1289.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2">\\char[0-9]</SEQ_REGEXP>
  1290.  
  1291.             <!-- Length Five Octal Character Reference -->
  1292.             <SEQ TYPE="KEYWORD2">\char'</SEQ>
  1293.  
  1294.             <!-- Length Five Hexadecimal Character Reference -->
  1295.             <SEQ TYPE="KEYWORD2">\char"</SEQ>
  1296.  
  1297.             <!-- Arbitrary control sequence of the specified length -->
  1298.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{5}</SEQ_REGEXP>
  1299.  
  1300.         <!-- Four letter control sequences -->
  1301.             <SEQ TYPE="KEYWORD1">\zeta</SEQ>
  1302.             <SEQ TYPE="KEYWORD4">\year</SEQ>
  1303.             <SEQ TYPE="FUNCTION">\xdef</SEQ>
  1304.             <SEQ TYPE="KEYWORD1">\wlog</SEQ>
  1305.             <SEQ TYPE="KEYWORD1">\vtop</SEQ>
  1306.             <SEQ TYPE="KEYWORD1">\vfil</SEQ>
  1307.             <SEQ TYPE="KEYWORD1">\vert</SEQ>
  1308.             <SEQ TYPE="KEYWORD1">\Vert</SEQ>
  1309.             <SEQ TYPE="KEYWORD1">\vbox</SEQ>
  1310.             <SEQ TYPE="KEYWORD2">\uarc</SEQ>
  1311.             <SEQ TYPE="KEYWORD4">\toks</SEQ>
  1312.             <SEQ TYPE="KEYWORD4">\time</SEQ>
  1313.             <SEQ TYPE="KEYWORD1">\teni</SEQ>
  1314.             <SEQ TYPE="KEYWORD1">\tanh</SEQ>
  1315.             <SEQ TYPE="KEYWORD1">\tabs</SEQ>
  1316.             <SEQ TYPE="KEYWORD1">\surd</SEQ>
  1317.             <SEQ TYPE="KEYWORD1">\succ</SEQ>
  1318.             <SEQ TYPE="KEYWORD1">\star</SEQ>
  1319.             <SEQ TYPE="KEYWORD1">\sqrt</SEQ>
  1320.             <SEQ TYPE="KEYWORD1">\span</SEQ>
  1321.             <SEQ TYPE="KEYWORD4">\skip</SEQ>
  1322.             <SEQ TYPE="KEYWORD1">\skew</SEQ>
  1323.             <SEQ TYPE="KEYWORD1">\sinh</SEQ>
  1324.             <SEQ TYPE="KEYWORD1">\show</SEQ>
  1325.             <SEQ TYPE="KEYWORD1">\root</SEQ>
  1326.             <SEQ TYPE="KEYWORD1">\rlap</SEQ>
  1327.             <SEQ TYPE="KEYWORD1">\read</SEQ>
  1328.             <SEQ TYPE="KEYWORD1">\quad</SEQ>
  1329.             <SEQ TYPE="KEYWORD1">\prod</SEQ>
  1330.             <SEQ TYPE="KEYWORD1">\prec</SEQ>
  1331.             <SEQ TYPE="KEYWORD1">\pmod</SEQ>
  1332.             <SEQ TYPE="KEYWORD1">\perp</SEQ>
  1333.             <SEQ TYPE="KEYWORD1">\owns</SEQ>
  1334.             <SEQ TYPE="KEYWORD1">\over</SEQ>
  1335.             <SEQ TYPE="KEYWORD1">\omit</SEQ>
  1336.             <SEQ TYPE="KEYWORD1">\oint</SEQ>
  1337.             <SEQ TYPE="KEYWORD1">\odot</SEQ>
  1338.             <SEQ TYPE="KEYWORD1">\null</SEQ>
  1339.             <SEQ TYPE="KEYWORD1">\next</SEQ>
  1340.             <SEQ TYPE="KEYWORD1">\mark</SEQ>
  1341.             <SEQ TYPE="KEYWORD1">\loop</SEQ>
  1342.             <SEQ TYPE="FUNCTION">\long</SEQ>
  1343.             <SEQ TYPE="KEYWORD1">\lnot</SEQ>
  1344.             <SEQ TYPE="KEYWORD1">\llap</SEQ>
  1345.             <SEQ TYPE="KEYWORD1">\line</SEQ>
  1346.             <SEQ TYPE="KEYWORD1">\left</SEQ>
  1347.             <SEQ TYPE="KEYWORD1">\land</SEQ>
  1348.             <SEQ TYPE="KEYWORD1">\kern</SEQ>
  1349.             <SEQ TYPE="KEYWORD1">\item</SEQ>
  1350.             <SEQ TYPE="KEYWORD1">\iota</SEQ>
  1351.             <SEQ TYPE="KEYWORD1">\hfil</SEQ>
  1352.             <SEQ TYPE="KEYWORD1">\hbox</SEQ>
  1353.             <SEQ TYPE="KEYWORD1">\hbar</SEQ>
  1354.             <SEQ TYPE="KEYWORD1">\hang</SEQ>
  1355.             <SEQ TYPE="KEYWORD1">\gets</SEQ>
  1356.             <SEQ TYPE="FUNCTION">\gdef</SEQ>
  1357.             <SEQ TYPE="KEYWORD1">\font</SEQ>
  1358.             <SEQ TYPE="KEYWORD1">\flat</SEQ>
  1359.             <SEQ TYPE="KEYWORD1">\eqno</SEQ>
  1360.             <SEQ TYPE="KEYWORD3">\else</SEQ>
  1361.             <SEQ TYPE="FUNCTION">\edef</SEQ>
  1362.             <SEQ TYPE="KEYWORD1">\dump</SEQ>
  1363.             <SEQ TYPE="KEYWORD1">\dots</SEQ>
  1364.             <SEQ TYPE="KEYWORD1">\ddot</SEQ>
  1365.             <SEQ TYPE="KEYWORD1">\ddag</SEQ>
  1366.             <SEQ TYPE="KEYWORD2">\dbar</SEQ>
  1367.             <SEQ TYPE="KEYWORD2">\Dbar</SEQ>
  1368.             <SEQ TYPE="KEYWORD1">\crcr</SEQ>
  1369.             <SEQ TYPE="KEYWORD1">\coth</SEQ>
  1370.             <SEQ TYPE="KEYWORD1">\cosh</SEQ>
  1371.             <SEQ TYPE="KEYWORD1">\copy</SEQ>
  1372.             <SEQ TYPE="KEYWORD1">\cong</SEQ>
  1373.             <SEQ TYPE="KEYWORD1">\circ</SEQ>
  1374.             <SEQ TYPE="KEYWORD2">\char</SEQ>
  1375.             <SEQ TYPE="KEYWORD2">\cfac</SEQ>
  1376.             <SEQ TYPE="KEYWORD1">\cdot</SEQ>
  1377.             <SEQ TYPE="KEYWORD1">\body</SEQ>
  1378.             <SEQ TYPE="KEYWORD1">\bmod</SEQ>
  1379.             <SEQ TYPE="KEYWORD1">\Bigr</SEQ>
  1380.             <SEQ TYPE="KEYWORD1">\bigr</SEQ>
  1381.             <SEQ TYPE="KEYWORD1">\Bigm</SEQ>
  1382.             <SEQ TYPE="KEYWORD1">\bigm</SEQ>
  1383.             <SEQ TYPE="KEYWORD1">\Bigl</SEQ>
  1384.             <SEQ TYPE="KEYWORD1">\bigl</SEQ>
  1385.             <SEQ TYPE="KEYWORD1">\Bigg</SEQ>
  1386.             <SEQ TYPE="KEYWORD1">\bigg</SEQ>
  1387.             <SEQ TYPE="KEYWORD1">\beta</SEQ>
  1388.             <SEQ TYPE="KEYWORD1">\atop</SEQ>
  1389.  
  1390.             <!-- Length Four Register Reference -->
  1391.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4">\\box[0-9]</SEQ_REGEXP>
  1392.  
  1393.             <!-- Length Four Character Reference -->
  1394.             <SEQ TYPE="KEYWORD2">\char</SEQ>
  1395.  
  1396.             <!-- Length Four Hexadecimal Invisible Reference -->
  1397.             <SEQ_REGEXP HASH_CHARS="^" TYPE="KEYWORD2"
  1398.                     >(\u005E|\x5E)(\u005E|\x5E)([0-9a-f])([0-9a-f])</SEQ_REGEXP>
  1399.  
  1400.             <!-- Arbitrary control sequence of the specified length -->
  1401.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{4}</SEQ_REGEXP>
  1402.  
  1403.         <!-- Three letter control sequences -->
  1404.  
  1405.             <SEQ TYPE="KEYWORD1">\vss</SEQ>
  1406.             <SEQ TYPE="KEYWORD1">\vee</SEQ>
  1407.             <SEQ TYPE="KEYWORD1">\vec</SEQ>
  1408.             <SEQ TYPE="KEYWORD1">\top</SEQ>
  1409.             <SEQ TYPE="KEYWORD1">\the</SEQ>
  1410.             <SEQ TYPE="KEYWORD1">\TeX</SEQ>
  1411.             <SEQ TYPE="KEYWORD1">\tau</SEQ>
  1412.             <SEQ TYPE="KEYWORD1">\tan</SEQ>
  1413.             <SEQ TYPE="KEYWORD1">\sup</SEQ>
  1414.             <SEQ TYPE="KEYWORD1">\sum</SEQ>
  1415.             <SEQ TYPE="KEYWORD1">\sin</SEQ>
  1416.             <SEQ TYPE="KEYWORD1">\sim</SEQ>
  1417.             <SEQ TYPE="KEYWORD1">\sec</SEQ>
  1418.             <SEQ TYPE="KEYWORD1">\rho</SEQ>
  1419.             <SEQ TYPE="KEYWORD1">\Psi</SEQ>
  1420.             <SEQ TYPE="KEYWORD1">\psi</SEQ>
  1421.             <SEQ TYPE="KEYWORD1">\Phi</SEQ>
  1422.             <SEQ TYPE="KEYWORD1">\phi</SEQ>
  1423.             <SEQ TYPE="LITERAL3">\par</SEQ>
  1424.             <SEQ TYPE="KEYWORD1">\not</SEQ>
  1425.             <SEQ TYPE="KEYWORD1">\neq</SEQ>
  1426.             <SEQ TYPE="KEYWORD1">\neg</SEQ>
  1427.             <SEQ TYPE="KEYWORD1">\mit</SEQ>
  1428.             <SEQ TYPE="KEYWORD1">\min</SEQ>
  1429.             <SEQ TYPE="KEYWORD1">\mid</SEQ>
  1430.             <SEQ TYPE="KEYWORD1">\max</SEQ>
  1431.             <SEQ TYPE="KEYWORD4">\mag</SEQ>
  1432.             <SEQ TYPE="KEYWORD1">\lor</SEQ>
  1433.             <SEQ TYPE="KEYWORD1">\log</SEQ>
  1434.             <SEQ TYPE="KEYWORD1">\lim</SEQ>
  1435.             <SEQ TYPE="COMMENT3">\let</SEQ>
  1436.             <SEQ TYPE="KEYWORD1">\leq</SEQ>
  1437.             <SEQ TYPE="KEYWORD1">\ker</SEQ>
  1438.             <SEQ TYPE="KEYWORD1">\jot</SEQ>
  1439.             <SEQ TYPE="KEYWORD1">\int</SEQ>
  1440.             <SEQ TYPE="KEYWORD1">\inf</SEQ>
  1441.             <SEQ TYPE="KEYWORD3">\ifx</SEQ>
  1442.             <SEQ TYPE="KEYWORD3">\iff</SEQ>
  1443.             <SEQ TYPE="KEYWORD1">\hss</SEQ>
  1444.             <SEQ TYPE="KEYWORD1">\hom</SEQ>
  1445.             <SEQ TYPE="KEYWORD1">\hat</SEQ>
  1446.             <SEQ TYPE="KEYWORD1">\geq</SEQ>
  1447.             <SEQ TYPE="KEYWORD1">\gcd</SEQ>
  1448.             <SEQ TYPE="KEYWORD4">\fam</SEQ>
  1449.             <SEQ TYPE="KEYWORD1">\exp</SEQ>
  1450.             <SEQ TYPE="KEYWORD2">\eth</SEQ>
  1451.             <SEQ TYPE="KEYWORD1">\eta</SEQ>
  1452.             <SEQ TYPE="KEYWORD1">\end</SEQ>
  1453.             <SEQ TYPE="KEYWORD1">\ell</SEQ>
  1454.             <SEQ TYPE="KEYWORD1">\dot</SEQ>
  1455.             <SEQ TYPE="KEYWORD1">\div</SEQ>
  1456.             <SEQ TYPE="KEYWORD1">\dim</SEQ>
  1457.             <SEQ TYPE="KEYWORD1">\det</SEQ>
  1458.             <SEQ TYPE="KEYWORD1">\deg</SEQ>
  1459.             <SEQ TYPE="FUNCTION">\def</SEQ>
  1460.             <SEQ TYPE="KEYWORD4">\day</SEQ>
  1461.             <SEQ TYPE="KEYWORD1">\dag</SEQ>
  1462.             <SEQ TYPE="KEYWORD1">\cup</SEQ>
  1463.             <SEQ TYPE="KEYWORD1">\csc</SEQ>
  1464.             <SEQ TYPE="KEYWORD1">\cot</SEQ>
  1465.             <SEQ TYPE="KEYWORD1">\cos</SEQ>
  1466.             <SEQ TYPE="KEYWORD1">\chi</SEQ>
  1467.             <SEQ TYPE="KEYWORD1">\cap</SEQ>
  1468.             <SEQ TYPE="KEYWORD1">\cal</SEQ>
  1469.             <SEQ TYPE="KEYWORD1">\bye</SEQ>
  1470.             <SEQ TYPE="COMMENT4">\box</SEQ>
  1471.             <SEQ TYPE="KEYWORD1">\bot</SEQ>
  1472.             <SEQ TYPE="KEYWORD1">\Big</SEQ>
  1473.             <SEQ TYPE="KEYWORD1">\big</SEQ>
  1474.             <SEQ TYPE="KEYWORD1">\bar</SEQ>
  1475.             <SEQ TYPE="KEYWORD1">\ast</SEQ>
  1476.             <SEQ TYPE="KEYWORD1">\arg</SEQ>
  1477.  
  1478.             <!-- Length Three Invisible Character Reference -->
  1479.             <SEQ_REGEXP HASH_CHARS="^" TYPE="KEYWORD2"
  1480.                 >(\u005E|\x5E)(\u005E|\x5E)(\p{ASCII}|\u0000-\u007F)</SEQ_REGEXP>
  1481.  
  1482.             <!-- Arbitrary control sequence of the specified length -->
  1483.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{3}</SEQ_REGEXP>
  1484.  
  1485.         <!-- Two letter control sequences -->
  1486.  
  1487.             <SEQ TYPE="KEYWORD1">\Xi</SEQ>
  1488.             <SEQ TYPE="KEYWORD1">\xi</SEQ>
  1489.             <SEQ TYPE="KEYWORD1">\wr</SEQ>
  1490.             <SEQ TYPE="KEYWORD1">\wp</SEQ>
  1491.             <SEQ TYPE="KEYWORD1">\wd</SEQ>
  1492.             <SEQ TYPE="KEYWORD1">\tt</SEQ>
  1493.             <SEQ TYPE="KEYWORD1">\to</SEQ>
  1494.             <SEQ TYPE="KEYWORD1">\sp</SEQ>
  1495.             <SEQ TYPE="KEYWORD1">\sl</SEQ>
  1496.             <SEQ TYPE="KEYWORD1">\sb</SEQ>
  1497.             <SEQ TYPE="KEYWORD1">\rq</SEQ>
  1498.             <SEQ TYPE="KEYWORD1">\rm</SEQ>
  1499.             <SEQ TYPE="KEYWORD1">\Re</SEQ>
  1500.             <SEQ TYPE="KEYWORD1">\Pr</SEQ>
  1501.             <SEQ TYPE="KEYWORD1">\pm</SEQ>
  1502.             <SEQ TYPE="KEYWORD1">\Pi</SEQ>
  1503.             <SEQ TYPE="KEYWORD1">\pi</SEQ>
  1504.             <SEQ TYPE="KEYWORD3">\or</SEQ>
  1505.             <SEQ TYPE="KEYWORD1">\of</SEQ>
  1506.             <SEQ TYPE="KEYWORD1">\nu</SEQ>
  1507.             <SEQ TYPE="KEYWORD1">\ni</SEQ>
  1508.             <SEQ TYPE="KEYWORD1">\ne</SEQ>
  1509.             <SEQ TYPE="KEYWORD1">\mu</SEQ>
  1510.             <SEQ TYPE="KEYWORD1">\mp</SEQ>
  1511.             <SEQ TYPE="KEYWORD1">\lq</SEQ>
  1512.             <SEQ TYPE="KEYWORD1">\ln</SEQ>
  1513.             <SEQ TYPE="KEYWORD1">\ll</SEQ>
  1514.             <SEQ TYPE="KEYWORD1">\lg</SEQ>
  1515.             <SEQ TYPE="KEYWORD1">\le</SEQ>
  1516.             <SEQ TYPE="KEYWORD1">\it</SEQ>
  1517.             <SEQ TYPE="KEYWORD1">\in</SEQ>
  1518.             <SEQ TYPE="KEYWORD1">\Im</SEQ>
  1519.             <SEQ TYPE="KEYWORD3">\if</SEQ>
  1520.             <SEQ TYPE="KEYWORD1">\ht</SEQ>
  1521.             <SEQ TYPE="KEYWORD1">\gg</SEQ>
  1522.             <SEQ TYPE="KEYWORD1">\ge</SEQ>
  1523.             <SEQ TYPE="KEYWORD3">\fi</SEQ>
  1524.             <SEQ TYPE="KEYWORD1">\dp</SEQ>
  1525.             <SEQ TYPE="KEYWORD1">\do</SEQ>
  1526.             <SEQ TYPE="KEYWORD1">\cr</SEQ>
  1527.             <SEQ TYPE="KEYWORD1">\bf</SEQ>
  1528.  
  1529.             <!-- Accents and Special Characters -->
  1530.             <SEQ TYPE="KEYWORD2">\AE</SEQ>
  1531.             <SEQ TYPE="KEYWORD2">\ae</SEQ>
  1532.             <SEQ TYPE="KEYWORD2">\AA</SEQ>
  1533.             <SEQ TYPE="KEYWORD2">\aa</SEQ>
  1534.             <SEQ TYPE="KEYWORD2">\OE</SEQ>
  1535.             <SEQ TYPE="KEYWORD2">\oe</SEQ>
  1536.             <SEQ TYPE="KEYWORD2">\ss</SEQ>
  1537.  
  1538.             <!-- Arbitrary control sequence of the specified length -->
  1539.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{2}</SEQ_REGEXP>
  1540.  
  1541.         <!-- One letter control sequences -->
  1542.  
  1543.             <SEQ TYPE="KEYWORD1">\S</SEQ>
  1544.             <SEQ TYPE="KEYWORD1">\P</SEQ>
  1545.  
  1546.             <!-- Accents and Special Characters -->
  1547.             <SEQ TYPE="KEYWORD2">\=</SEQ>
  1548.             <SEQ TYPE="KEYWORD2">\'</SEQ>
  1549.             <SEQ TYPE="KEYWORD2">\"</SEQ>
  1550.             <SEQ TYPE="KEYWORD2">\~</SEQ>
  1551.             <SEQ TYPE="KEYWORD2">\`</SEQ>
  1552.             <SEQ TYPE="KEYWORD2">\^</SEQ>
  1553.             <SEQ TYPE="KEYWORD2">\.</SEQ>
  1554.             <SEQ TYPE="KEYWORD2">\H</SEQ>
  1555.             <SEQ TYPE="KEYWORD2">\c</SEQ>
  1556.             <SEQ TYPE="KEYWORD2">\d</SEQ>
  1557.             <SEQ TYPE="KEYWORD2">\b</SEQ>
  1558.             <SEQ TYPE="KEYWORD2">\v</SEQ>
  1559.             <SEQ TYPE="KEYWORD2">\u</SEQ>
  1560.             <SEQ TYPE="KEYWORD2">\t</SEQ>
  1561.             <SEQ TYPE="KEYWORD2">\r</SEQ>
  1562.             <SEQ TYPE="KEYWORD2">\k</SEQ>
  1563.             <SEQ TYPE="KEYWORD2">\O</SEQ>
  1564.             <SEQ TYPE="KEYWORD2">\o</SEQ>
  1565.             <SEQ TYPE="KEYWORD2">\L</SEQ>
  1566.             <SEQ TYPE="KEYWORD2">\l</SEQ>
  1567.             <SEQ TYPE="KEYWORD2">\j</SEQ>
  1568.             <SEQ TYPE="KEYWORD2">\i</SEQ>
  1569.             <SEQ TYPE="KEYWORD1">\?</SEQ>
  1570.             <SEQ TYPE="KEYWORD1">\></SEQ>
  1571.             <SEQ TYPE="KEYWORD1">\<</SEQ>
  1572.             <SEQ TYPE="KEYWORD1">\;</SEQ>
  1573.             <SEQ TYPE="KEYWORD1">\:</SEQ>
  1574.             <SEQ TYPE="KEYWORD1">\/</SEQ>
  1575.             <SEQ TYPE="KEYWORD1">\-</SEQ>
  1576.             <SEQ TYPE="KEYWORD1">\,</SEQ>
  1577.             <SEQ TYPE="KEYWORD1">\+</SEQ>
  1578.             <SEQ TYPE="KEYWORD1">\*</SEQ>
  1579.             <SEQ TYPE="KEYWORD1">\)</SEQ>
  1580.             <SEQ TYPE="KEYWORD1">\(</SEQ>
  1581.             <SEQ TYPE="KEYWORD1">\!</SEQ>
  1582.             <SEQ TYPE="KEYWORD1">\|</SEQ>
  1583.             <SEQ TYPE="KEYWORD1">\\</SEQ>
  1584.  
  1585.             <!-- Reserved Characters -->
  1586.             <SEQ TYPE="KEYWORD2">\#</SEQ>
  1587.             <SEQ TYPE="KEYWORD2">\$</SEQ>
  1588.             <SEQ TYPE="KEYWORD2">\%</SEQ>
  1589.             <SEQ TYPE="KEYWORD2">\&</SEQ>
  1590.             <SEQ TYPE="KEYWORD2">\{</SEQ>
  1591.             <SEQ TYPE="KEYWORD2">\}</SEQ>
  1592.             <SEQ TYPE="KEYWORD2">\_</SEQ>
  1593.  
  1594.             <!-- Length One ASCII Index -->
  1595.             <SEQ_REGEXP HASH_CHARS="`" TYPE="KEYWORD2">`\p{ASCII}</SEQ_REGEXP>
  1596.  
  1597.             <!-- Definition Arguments -->
  1598.             <SEQ_REGEXP HASH_CHARS="#" TYPE="DIGIT">#[1-9]</SEQ_REGEXP>
  1599.  
  1600.             <!-- Arbitrary control sequence of the specified length -->
  1601.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{1}</SEQ_REGEXP>
  1602.  
  1603.         <!-- Zero letter control sequences -->
  1604.  
  1605.             <!-- Punctuation -->
  1606.             <SEQ TYPE="LITERAL3">`</SEQ>
  1607.             <SEQ TYPE="LITERAL3">!</SEQ>
  1608.             <SEQ TYPE="LITERAL3">.</SEQ>
  1609.             <SEQ TYPE="LITERAL3">,</SEQ>
  1610.             <SEQ TYPE="LITERAL3">;</SEQ>
  1611.             <SEQ TYPE="LITERAL3">?</SEQ>
  1612.             <SEQ TYPE="LITERAL3">:</SEQ>
  1613.             <SEQ TYPE="LITERAL3">'</SEQ>
  1614.             <SEQ TYPE="LITERAL3">"</SEQ>
  1615.             <SEQ TYPE="LITERAL3">\</SEQ>
  1616.  
  1617.             <!-- Simple Math Characters -->
  1618.             <SEQ TYPE="LITERAL4">(</SEQ>
  1619.             <SEQ TYPE="LITERAL4">)</SEQ>
  1620.             <SEQ TYPE="LITERAL4">=</SEQ>
  1621.             <SEQ TYPE="LITERAL4">+</SEQ>
  1622.             <SEQ TYPE="LITERAL4">-</SEQ>
  1623.             <SEQ TYPE="LITERAL4">></SEQ>
  1624.             <SEQ TYPE="LITERAL4"><</SEQ>
  1625.  
  1626.             <!-- Grouping Brackets -->
  1627.             <SEQ TYPE="OPERATOR">{</SEQ>
  1628.             <SEQ TYPE="OPERATOR">}</SEQ>
  1629.             <SEQ TYPE="OPERATOR">[</SEQ>
  1630.             <SEQ TYPE="OPERATOR">]</SEQ>
  1631.  
  1632.             <!-- Reserved Characters -->
  1633.             <SEQ TYPE="LITERAL1">&</SEQ>
  1634.             <SEQ TYPE="LITERAL1">^</SEQ>
  1635.             <SEQ TYPE="LITERAL1">_</SEQ>
  1636.             <SEQ TYPE="LITERAL1">~</SEQ>
  1637.  
  1638.             <!-- Dimensions -->
  1639.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1640.                     >(\d+?\.\d*pt|\d*\.\d+?pt|\d*pt)</SEQ_REGEXP>
  1641.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1642.                     >(\d+?\.\d*pc|\d*\.\d+?pc|\d*pc)</SEQ_REGEXP>
  1643.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1644.                     >(\d+?\.\d*in|\d*\.\d+?in|\d*in)</SEQ_REGEXP>
  1645.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1646.                     >(\d+?\.\d*bp|\d*\.\d+?bp|\d*bp)</SEQ_REGEXP>
  1647.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1648.                     >(\d+?\.\d*cm|\d*\.\d+?cm|\d*cm)</SEQ_REGEXP>
  1649.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1650.                     >(\d+?\.\d*mm|\d*\.\d+?mm|\d*mm)</SEQ_REGEXP>
  1651.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1652.                     >(\d+?\.\d*dd|\d*\.\d+?dd|\d*dd)</SEQ_REGEXP>
  1653.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1654.                     >(\d+?\.\d*cc|\d*\.\d+?cc|\d*cc)</SEQ_REGEXP>
  1655.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1656.                     >(\d+?\.\d*sp|\d*\.\d+?sp|\d*sp)</SEQ_REGEXP>
  1657.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1658.                     >(\d+?\.\d*ex|\d*\.\d+?ex|\d*ex)</SEQ_REGEXP>
  1659.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  1660.                     >(\d+?\.\d*em|\d*\.\d+?em|\d*em)</SEQ_REGEXP>
  1661.  
  1662.     </RULES>
  1663.  
  1664.     <RULES SET="MATH" DEFAULT="MARKUP">
  1665.  
  1666.         <!-- Comments -->
  1667.         <EOL_SPAN TYPE="COMMENT1">%</EOL_SPAN>
  1668.  
  1669.         <!-- At Least Twenty Five letter control sequences -->
  1670.  
  1671.             <!-- Arbitrary control sequence of the specified length -->
  1672.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL"
  1673.                     >\\[a-zA-Z@]{25}[a-zA-Z@]*</SEQ_REGEXP>
  1674.  
  1675.         <!-- Twenty Four letter control sequences -->
  1676.             <SEQ TYPE="KEYWORD1">\interfootnotelinepenalty</SEQ>
  1677.  
  1678.             <!-- Arbitrary control sequence of the specified length -->
  1679.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{24}</SEQ_REGEXP>
  1680.  
  1681.         <!-- Twenty Three letter control sequences -->
  1682.             <SEQ TYPE="KEYWORD1">\interdisplaylinepenalty</SEQ>
  1683.  
  1684.             <!-- Arbitrary control sequence of the specified length -->
  1685.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{23}</SEQ_REGEXP>
  1686.  
  1687.         <!-- Twenty Two letter control sequences -->
  1688.  
  1689.             <!-- Arbitrary control sequence of the specified length -->
  1690.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{22}</SEQ_REGEXP>
  1691.  
  1692.         <!-- Twenty One letter control sequences -->
  1693.             <SEQ TYPE="KEYWORD4">\belowdisplayshortskip</SEQ>
  1694.             <SEQ TYPE="KEYWORD4">\abovedisplayshortskip</SEQ>
  1695.  
  1696.             <!-- Arbitrary control sequence of the specified length -->
  1697.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{21}</SEQ_REGEXP>
  1698.  
  1699.         <!-- Twenty letter control sequences -->
  1700.  
  1701.             <SEQ TYPE="KEYWORD4">\doublehyphendemerits</SEQ>
  1702.             <SEQ TYPE="KEYWORD1">\abovedisplayshortskip</SEQ>
  1703.  
  1704.             <!-- Arbitrary control sequence of the specified length -->
  1705.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{20}</SEQ_REGEXP>
  1706.  
  1707.         <!-- Nineteen letter control sequences -->
  1708.  
  1709.             <SEQ TYPE="KEYWORD1">\normallineskiplimit</SEQ>
  1710.             <SEQ TYPE="KEYWORD4">\finalhyphendemerits</SEQ>
  1711.             <SEQ TYPE="KEYWORD4">\displaywidowpenalty</SEQ>
  1712.  
  1713.             <!-- Arbitrary control sequence of the specified length -->
  1714.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{19}</SEQ_REGEXP>
  1715.  
  1716.         <!-- Eighteen letter control sequences -->
  1717.  
  1718.             <SEQ TYPE="KEYWORD4">\postdisplaypenalty</SEQ>
  1719.             <SEQ TYPE="KEYWORD4">\nulldelimiterspace</SEQ>
  1720.             <SEQ TYPE="KEYWORD1">\normalbaselineskip</SEQ>
  1721.             <SEQ TYPE="KEYWORD1">\Longleftrightarrow</SEQ>
  1722.             <SEQ TYPE="KEYWORD1">\longleftrightarrow</SEQ>
  1723.             <SEQ TYPE="KEYWORD4">\delimitershortfall</SEQ>
  1724.  
  1725.             <!-- Arbitrary control sequence of the specified length -->
  1726.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{18}</SEQ_REGEXP>
  1727.  
  1728.         <!-- Seventeen letter control sequences -->
  1729.  
  1730.             <SEQ TYPE="KEYWORD4">\tracingparagraphs</SEQ>
  1731.             <SEQ TYPE="KEYWORD1">\scriptscriptstyle</SEQ>
  1732.             <SEQ TYPE="KEYWORD1">\rightleftharpoons</SEQ>
  1733.             <SEQ TYPE="KEYWORD1">\predisplaypenalty</SEQ>
  1734.             <SEQ TYPE="KEYWORD4">\errorcontextlines</SEQ>
  1735.             <SEQ TYPE="KEYWORD4">\defaulthyphenchar</SEQ>
  1736.  
  1737.             <!-- Arbitrary control sequence of the specified length -->
  1738.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{17}</SEQ_REGEXP>
  1739.  
  1740.         <!-- Sixteen letter control sequences -->
  1741.  
  1742.             <SEQ TYPE="KEYWORD4">\tracinglostchars</SEQ>
  1743.             <SEQ TYPE="KEYWORD1">\scriptscriptfont</SEQ>
  1744.             <SEQ TYPE="KEYWORD1">\rightharpoondown</SEQ>
  1745.             <SEQ TYPE="KEYWORD4">\predisplaypenaty</SEQ>
  1746.             <SEQ TYPE="KEYWORD1">\pagefilllstretch</SEQ>
  1747.             <SEQ TYPE="KEYWORD1">\offinterlineskip</SEQ>
  1748.             <SEQ TYPE="KEYWORD1">\nonfrenchspacing</SEQ>
  1749.             <SEQ TYPE="KEYWORD4">\interlinepenalty</SEQ>
  1750.             <SEQ TYPE="KEYWORD4">\emergencystretch</SEQ>
  1751.             <SEQ TYPE="KEYWORD4">\belowdisplayskip</SEQ>
  1752.             <SEQ TYPE="KEYWORD1">\allocationnumber</SEQ>
  1753.             <SEQ TYPE="KEYWORD4">\abovedisplayskip</SEQ>
  1754.  
  1755.             <!-- Arbitrary control sequence of the specified length -->
  1756.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{16}</SEQ_REGEXP>
  1757.  
  1758.         <!-- Fifteen letter control sequences -->
  1759.  
  1760.             <SEQ TYPE="KEYWORD4">\tracingrestores</SEQ>
  1761.             <SEQ TYPE="KEYWORD4">\tracingcommands</SEQ>
  1762.             <SEQ TYPE="KEYWORD1">\smallskipamount</SEQ>
  1763.             <SEQ TYPE="KEYWORD1">\pagefillstretch</SEQ>
  1764.             <SEQ TYPE="KEYWORD1">\normalbaselines</SEQ>
  1765.             <SEQ TYPE="KEYWORD1">\nointerlineskip</SEQ>
  1766.             <SEQ TYPE="KEYWORD1">\leftharpoondown</SEQ>
  1767.             <SEQ TYPE="KEYWORD1">\insertpenalties</SEQ>
  1768.             <SEQ TYPE="KEYWORD4">\floatingpenalty</SEQ>
  1769.             <SEQ TYPE="KEYWORD4">\exhyphenpenalty</SEQ>
  1770.             <SEQ TYPE="KEYWORD4">\delimiterfactor</SEQ>
  1771.             <SEQ TYPE="KEYWORD4">\defaultskewchar</SEQ>
  1772.             <SEQ TYPE="KEYWORD1">\bigtriangledown</SEQ>
  1773.             <SEQ TYPE="KEYWORD1">\afterassignment</SEQ>
  1774.             <SEQ TYPE="KEYWORD1">\abovewithdelims</SEQ>
  1775.  
  1776.             <!-- Arbitrary control sequence of the specified length -->
  1777.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{15}</SEQ_REGEXP>
  1778.  
  1779.         <!-- Fourteen letter control sequences -->
  1780.  
  1781.             <SEQ TYPE="KEYWORD1">\splitfirstmark</SEQ>
  1782.             <SEQ TYPE="KEYWORD4">\showboxbreadth</SEQ>
  1783.             <SEQ TYPE="KEYWORD4">\righthyphenmin</SEQ>
  1784.             <SEQ TYPE="KEYWORD1">\rightharpoonup</SEQ>
  1785.             <SEQ TYPE="KEYWORD1">\rightarrowfill</SEQ>
  1786.             <SEQ TYPE="KEYWORD1">\removelastskip</SEQ>
  1787.             <SEQ TYPE="KEYWORD4">\predisplaysize</SEQ>
  1788.             <SEQ TYPE="KEYWORD1">\pagefilstretch</SEQ>
  1789.             <SEQ TYPE="KEYWORD1">\overwithdelims</SEQ>
  1790.             <SEQ TYPE="KEYWORD1">\overrightarrow</SEQ>
  1791.             <SEQ TYPE="KEYWORD1">\normallineskip</SEQ>
  1792.             <SEQ TYPE="KEYWORD1">\longrightarrow</SEQ>
  1793.             <SEQ TYPE="KEYWORD1">\Longrightarrow</SEQ>
  1794.             <SEQ TYPE="KEYWORD1">\Leftrightarrow</SEQ>
  1795.             <SEQ TYPE="KEYWORD1">\leftrightarrow</SEQ>
  1796.             <SEQ TYPE="KEYWORD1">\hookrightarrow</SEQ>
  1797.             <SEQ TYPE="KEYWORD4">\holdinginserts</SEQ>
  1798.             <SEQ TYPE="KEYWORD1">\atopwithdelims</SEQ>
  1799.  
  1800.             <!-- Arbitrary control sequence of the specified length -->
  1801.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{14}</SEQ_REGEXP>
  1802.  
  1803.         <!-- Thirteen letter control sequences -->
  1804.  
  1805.             <SEQ TYPE="KEYWORD1">\ttraggedright</SEQ>
  1806.             <SEQ TYPE="KEYWORD1">\triangleright</SEQ>
  1807.             <SEQ TYPE="KEYWORD4">\tracingoutput</SEQ>
  1808.             <SEQ TYPE="KEYWORD4">\tracingonline</SEQ>
  1809.             <SEQ TYPE="KEYWORD4">\tracingmacros</SEQ>
  1810.             <SEQ TYPE="KEYWORD4">\splitmaxdepth</SEQ>
  1811.             <SEQ TYPE="KEYWORD1">\overleftarrow</SEQ>
  1812.             <SEQ TYPE="KEYWORD4">\outputpenalty</SEQ>
  1813.             <SEQ TYPE="KEYWORD1">\nopagenumbers</SEQ>
  1814.             <SEQ TYPE="KEYWORD1">\medskipamount</SEQ>
  1815.             <SEQ TYPE="KEYWORD4">\maxdeadcycles</SEQ>
  1816.             <SEQ TYPE="KEYWORD1">\magnification</SEQ>
  1817.             <SEQ TYPE="KEYWORD1">\Longleftarrow</SEQ>
  1818.             <SEQ TYPE="KEYWORD1">\longleftarrow</SEQ>
  1819.             <SEQ TYPE="KEYWORD4">\lineskiplimit</SEQ>
  1820.             <SEQ TYPE="KEYWORD4">\lefthyphenmin    </SEQ>
  1821.             <SEQ TYPE="KEYWORD1">\leftharpoonup</SEQ>
  1822.             <SEQ TYPE="KEYWORD1">\leftarrowfill</SEQ>
  1823.             <SEQ TYPE="KEYWORD4">\hyphenpenalty</SEQ>
  1824.             <SEQ TYPE="KEYWORD1">\hookleftarrow</SEQ>
  1825.             <SEQ TYPE="KEYWORD1">\frenchspacing</SEQ>
  1826.             <SEQ TYPE="KEYWORD1">\errorstopmode</SEQ>
  1827.             <SEQ TYPE="KEYWORD1">\downbracefill</SEQ>
  1828.             <SEQ TYPE="KEYWORD1">\displaylimits</SEQ>
  1829.             <SEQ TYPE="KEYWORD4">\displayindent</SEQ>
  1830.             <SEQ TYPE="KEYWORD1">\discretionary</SEQ>
  1831.             <SEQ TYPE="KEYWORD4">\brokenpenalty</SEQ>
  1832.             <SEQ TYPE="KEYWORD1">\bigtriangleup</SEQ>
  1833.             <SEQ TYPE="KEYWORD1">\bigskipamount</SEQ>
  1834.             <SEQ TYPE="KEYWORD1">\advancepageno</SEQ>
  1835.  
  1836.             <!-- Arbitrary control sequence of the specified length -->
  1837.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{13}</SEQ_REGEXP>
  1838.  
  1839.         <!-- Twelve letter control sequences -->
  1840.  
  1841.             <SEQ TYPE="KEYWORD4">\widowpenalty</SEQ>
  1842.             <SEQ TYPE="KEYWORD1">\triangleleft</SEQ>
  1843.             <SEQ TYPE="KEYWORD4">\tracingstats</SEQ>
  1844.             <SEQ TYPE="KEYWORD4">\tracingpages</SEQ>
  1845.             <SEQ TYPE="KEYWORD4">\splittopskip</SEQ>
  1846.             <SEQ TYPE="KEYWORD1">\splitbotmark</SEQ>
  1847.             <SEQ TYPE="KEYWORD4">\showboxdepth</SEQ>
  1848.             <SEQ TYPE="KEYWORD1">\romannumeral</SEQ>
  1849.             <SEQ TYPE="KEYWORD1">\raggedbottom</SEQ>
  1850.             <SEQ TYPE="KEYWORD4">\pretolerance</SEQ>
  1851.             <SEQ TYPE="KEYWORD1">\pagecontents</SEQ>
  1852.             <SEQ TYPE="KEYWORD4">\overfullrule</SEQ>
  1853.             <SEQ TYPE="KEYWORD1">\normalbottom</SEQ>
  1854.             <SEQ TYPE="KEYWORD1">\negthinspace</SEQ>
  1855.             <SEQ TYPE="KEYWORD4">\mathsurround</SEQ>
  1856.             <SEQ TYPE="KEYWORD1">\makeheadline</SEQ>
  1857.             <SEQ TYPE="KEYWORD1">\makefootline</SEQ>
  1858.             <SEQ TYPE="KEYWORD1">\ignorespaces</SEQ>
  1859.             <SEQ TYPE="KEYWORD1">\footnoterule</SEQ>
  1860.             <SEQ TYPE="KEYWORD4">\everydisplay</SEQ>
  1861.             <SEQ TYPE="KEYWORD1">\dosupereject</SEQ>
  1862.             <SEQ TYPE="KEYWORD4">\displaywidth</SEQ>
  1863.             <SEQ TYPE="KEYWORD1">\displaystyle</SEQ>
  1864.             <SEQ TYPE="KEYWORD1">\displaylines</SEQ>
  1865.             <SEQ TYPE="KEYWORD1">\bordermatrix</SEQ>
  1866.             <SEQ TYPE="KEYWORD4">\binoppenalty</SEQ>
  1867.             <SEQ TYPE="KEYWORD1">\beginsection</SEQ>
  1868.             <SEQ TYPE="KEYWORD1">\baselineskip</SEQ>
  1869.  
  1870.             <!-- Arbitrary control sequence of the specified length -->
  1871.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{12}</SEQ_REGEXP>
  1872.  
  1873.         <!-- Eleven letter control sequences -->
  1874.  
  1875.             <SEQ TYPE="KEYWORD1">\Updownarrow</SEQ>
  1876.             <SEQ TYPE="KEYWORD1">\updownarrow</SEQ>
  1877.             <SEQ TYPE="KEYWORD1">\upbracefill</SEQ>
  1878.             <SEQ TYPE="KEYWORD4">\thickmuskip</SEQ>
  1879.             <SEQ TYPE="KEYWORD1">\spacefactor</SEQ>
  1880.             <SEQ TYPE="KEYWORD1">\showhyphens</SEQ>
  1881.             <SEQ TYPE="KEYWORD1">\scriptstyle</SEQ>
  1882.             <SEQ TYPE="KEYWORD4">\scriptspace</SEQ>
  1883.             <SEQ TYPE="KEYWORD1">\raggedright</SEQ>
  1884.             <SEQ TYPE="KEYWORD1">\plainoutput</SEQ>
  1885.             <SEQ TYPE="KEYWORD4">\parfillskip</SEQ>
  1886.             <SEQ TYPE="KEYWORD1">\pagestretch</SEQ>
  1887.             <SEQ TYPE="KEYWORD1">\nonstopmode</SEQ>
  1888.             <SEQ TYPE="COMMENT2">\newlinechar</SEQ>
  1889.             <SEQ TYPE="KEYWORD1">\mathpalette</SEQ>
  1890.             <SEQ TYPE="FUNCTION">\mathchardef</SEQ>
  1891.             <SEQ TYPE="KEYWORD1">\magstephalf</SEQ>
  1892.             <SEQ TYPE="KEYWORD4">\linepenalty</SEQ>
  1893.             <SEQ TYPE="KEYWORD1">\lastpenalty</SEQ>
  1894.             <SEQ TYPE="KEYWORD1">\hyphenation</SEQ>
  1895.             <SEQ TYPE="KEYWORD1">\expandafter</SEQ>
  1896.             <SEQ TYPE="KEYWORD4">\endlinechar</SEQ>
  1897.             <SEQ TYPE="KEYWORD1">\diamondsuit</SEQ>
  1898.             <SEQ TYPE="KEYWORD4">\clubpenalty</SEQ>
  1899.             <SEQ TYPE="KEYWORD4">\boxmaxdepth</SEQ>
  1900.             <SEQ TYPE="KEYWORD4">\adjdemerits</SEQ>
  1901.  
  1902.             <!-- Arbitrary control sequence of the specified length -->
  1903.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{11}</SEQ_REGEXP>
  1904.  
  1905.         <!-- Ten letter control sequences -->
  1906.  
  1907.             <SEQ TYPE="KEYWORD4">\xspaceskip</SEQ>
  1908.             <SEQ TYPE="KEYWORD1">\varepsilon</SEQ>
  1909.             <SEQ TYPE="KEYWORD1">\underbrace</SEQ>
  1910.             <SEQ TYPE="KEYWORD1">\tracingall</SEQ>
  1911.             <SEQ TYPE="KEYWORD4">\thinmuskip</SEQ>
  1912.             <SEQ TYPE="KEYWORD1">\textindent</SEQ>
  1913.             <SEQ TYPE="KEYWORD1">\supereject</SEQ>
  1914.             <SEQ TYPE="KEYWORD1">\sqsupseteq</SEQ>
  1915.             <SEQ TYPE="KEYWORD1">\smallbreak</SEQ>
  1916.             <SEQ TYPE="KEYWORD1">\scrollmode</SEQ>
  1917.             <SEQ TYPE="KEYWORD1">\scriptfont</SEQ>
  1918.             <SEQ TYPE="KEYWORD1">\rmoustache</SEQ>
  1919.             <SEQ TYPE="KEYWORD1">\Rightarrow</SEQ>
  1920.             <SEQ TYPE="KEYWORD1">\rightarrow</SEQ>
  1921.             <SEQ TYPE="KEYWORD4">\relpenalty</SEQ>
  1922.             <SEQ TYPE="KEYWORD1">\pageshrink</SEQ>
  1923.             <SEQ TYPE="KEYWORD1">\pageinsert</SEQ>
  1924.             <SEQ TYPE="KEYWORD1">\obeyspaces</SEQ>
  1925.             <SEQ TYPE="KEYWORD1">\mathhexbox</SEQ>
  1926.             <SEQ TYPE="KEYWORD1">\mathchoice</SEQ>
  1927.             <SEQ TYPE="KEYWORD1">\mathaccent</SEQ>
  1928.             <SEQ TYPE="KEYWORD1">\mapstochar</SEQ>
  1929.             <SEQ TYPE="KEYWORD1">\longmapsto</SEQ>
  1930.             <SEQ TYPE="KEYWORD1">\lmoustache</SEQ>
  1931.             <SEQ TYPE="KEYWORD1">\leqalignno</SEQ>
  1932.             <SEQ TYPE="KEYWORD1">\leavevmode</SEQ>
  1933.             <SEQ TYPE="KEYWORD1">\hyphenchar</SEQ>
  1934.             <SEQ TYPE="KEYWORD4">\hangindent</SEQ>
  1935.             <SEQ TYPE="KEYWORD4">\globaldefs</SEQ>
  1936.             <SEQ TYPE="KEYWORD1">\fmtversion</SEQ>
  1937.             <SEQ TYPE="KEYWORD4">\escapechar</SEQ>
  1938.             <SEQ TYPE="KEYWORD1">\errmessage</SEQ>
  1939.             <SEQ TYPE="KEYWORD1">\dospecials</SEQ>
  1940.             <SEQ TYPE="KEYWORD1">\deadcycles</SEQ>
  1941.             <SEQ TYPE="KEYWORD1">\centerline</SEQ>
  1942.             <SEQ TYPE="KEYWORD1">\begingroup</SEQ>
  1943.             <SEQ TYPE="KEYWORD1">\allowbreak</SEQ>
  1944.             <SEQ TYPE="KEYWORD1">\aftergroup</SEQ>
  1945.  
  1946.             <!-- Arbitrary control sequence of the specified length -->
  1947.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{10}</SEQ_REGEXP>
  1948.  
  1949.         <!-- Nine letter control sequences -->
  1950.  
  1951.             <SEQ TYPE="KEYWORD1">\widetilde</SEQ>
  1952.             <SEQ TYPE="KEYWORD1">\vfootnote</SEQ>
  1953.             <SEQ TYPE="KEYWORD1">\uppercase</SEQ>
  1954.             <SEQ TYPE="KEYWORD1">\unpenalty</SEQ>
  1955.             <SEQ TYPE="KEYWORD1">\underline</SEQ>
  1956.             <SEQ TYPE="KEYWORD1">\undefined</SEQ>
  1957.             <SEQ TYPE="KEYWORD1">\topinsert</SEQ>
  1958.             <SEQ TYPE="KEYWORD4">\tolerance</SEQ>
  1959.             <SEQ TYPE="KEYWORD1">\thinspace</SEQ>
  1960.             <SEQ TYPE="KEYWORD1">\textstyle</SEQ>
  1961.             <SEQ TYPE="KEYWORD1">\spadesuit</SEQ>
  1962.             <SEQ TYPE="KEYWORD4">\spaceskip</SEQ>
  1963.             <SEQ TYPE="KEYWORD1">\smallskip</SEQ>
  1964.             <SEQ TYPE="KEYWORD1">\showlists</SEQ>
  1965.             <SEQ TYPE="KEYWORD4">\rightskip</SEQ>
  1966.             <SEQ TYPE="KEYWORD1">\rightline</SEQ>
  1967.             <SEQ TYPE="KEYWORD1">\prevdepth</SEQ>
  1968.             <SEQ TYPE="KEYWORD1">\preloaded</SEQ>
  1969.             <SEQ TYPE="KEYWORD4">\parindent</SEQ>
  1970.             <SEQ TYPE="KEYWORD1">\pagetotal</SEQ>
  1971.             <SEQ TYPE="KEYWORD1">\pagedepth</SEQ>
  1972.             <SEQ TYPE="KEYWORD1">\overbrace</SEQ>
  1973.             <SEQ TYPE="KEYWORD1">\obeylines</SEQ>
  1974.             <SEQ TYPE="KEYWORD1">\nonscript</SEQ>
  1975.             <SEQ TYPE="FUNCTION">\newmuskip</SEQ>
  1976.             <SEQ TYPE="FUNCTION">\newinsert</SEQ>
  1977.             <SEQ TYPE="FUNCTION">\muskipdef</SEQ>
  1978.             <SEQ TYPE="KEYWORD1">\multispan</SEQ>
  1979.             <SEQ TYPE="KEYWORD1">\moveright</SEQ>
  1980.             <SEQ TYPE="KEYWORD1">\midinsert</SEQ>
  1981.             <SEQ TYPE="KEYWORD4">\medmuskip</SEQ>
  1982.             <SEQ TYPE="KEYWORD1">\mathstrut</SEQ>
  1983.             <SEQ TYPE="KEYWORD1">\mathpunct</SEQ>
  1984.             <SEQ TYPE="KEYWORD1">\mathinner</SEQ>
  1985.             <SEQ TYPE="KEYWORD1">\mathclose</SEQ>
  1986.             <SEQ TYPE="KEYWORD1">\lowercase</SEQ>
  1987.             <SEQ TYPE="KEYWORD4">\looseness</SEQ>
  1988.             <SEQ TYPE="KEYWORD1">\Leftarrow</SEQ>
  1989.             <SEQ TYPE="KEYWORD1">\leftarrow</SEQ>
  1990.             <SEQ TYPE="KEYWORD1">\immediate</SEQ>
  1991.             <SEQ TYPE="KEYWORD1">\hrulefill</SEQ>
  1992.             <SEQ TYPE="KEYWORD1">\hidewidth</SEQ>
  1993.             <SEQ TYPE="KEYWORD1">\heartsuit</SEQ>
  1994.             <SEQ TYPE="KEYWORD4">\hangafter</SEQ>
  1995.             <SEQ TYPE="KEYWORD1">\goodbreak</SEQ>
  1996.             <SEQ TYPE="COMMENT3">\futurelet</SEQ>
  1997.             <SEQ TYPE="KEYWORD1">\footstrut</SEQ>
  1998.             <SEQ TYPE="KEYWORD1">\fontdimen</SEQ>
  1999.             <SEQ TYPE="KEYWORD1">\firstmark</SEQ>
  2000.             <SEQ TYPE="KEYWORD4">\everyvbox</SEQ>
  2001.             <SEQ TYPE="KEYWORD4">\everymath</SEQ>
  2002.             <SEQ TYPE="KEYWORD4">\everyhbox</SEQ>
  2003.             <SEQ TYPE="KEYWORD1">\eqalignno</SEQ>
  2004.             <SEQ TYPE="KEYWORD1">\endinsert</SEQ>
  2005.             <SEQ TYPE="FUNCTION">\endcsname</SEQ>
  2006.             <SEQ TYPE="KEYWORD1">\Downarrow</SEQ>
  2007.             <SEQ TYPE="KEYWORD1">\downarrow</SEQ>
  2008.             <SEQ TYPE="KEYWORD1">\delimiter</SEQ>
  2009.             <SEQ TYPE="KEYWORD1">\copyright</SEQ>
  2010.             <SEQ TYPE="KEYWORD1">\cleartabs</SEQ>
  2011.             <SEQ TYPE="KEYWORD1">\centering</SEQ>
  2012.             <SEQ TYPE="KEYWORD1">\bracevert</SEQ>
  2013.             <SEQ TYPE="KEYWORD1">\bigotimes</SEQ>
  2014.             <SEQ TYPE="KEYWORD1">\batchmode</SEQ>
  2015.             <SEQ TYPE="KEYWORD2">\backslash</SEQ>
  2016.             <SEQ TYPE="KEYWORD1">\Arrowvert</SEQ>
  2017.             <SEQ TYPE="KEYWORD1">\arrowvert</SEQ>
  2018.  
  2019.             <!-- Length Nine Register Reference -->
  2020.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2021.                     >\\muskip([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  2022.  
  2023.             <!-- Arbitrary control sequence of the specified length -->
  2024.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{9}</SEQ_REGEXP>
  2025.  
  2026.         <!-- Eight letter control sequences -->
  2027.  
  2028.             <SEQ TYPE="KEYWORD1">\xleaders</SEQ>
  2029.             <SEQ TYPE="KEYWORD1">\vphantom</SEQ>
  2030.             <SEQ TYPE="KEYWORD4">\vbadness</SEQ>
  2031.             <SEQ TYPE="KEYWORD1">\vartheta</SEQ>
  2032.             <SEQ TYPE="KEYWORD1">\varsigma</SEQ>
  2033.             <SEQ TYPE="KEYWORD1">\underbar</SEQ>
  2034.             <SEQ TYPE="KEYWORD1">\triangle</SEQ>
  2035.             <SEQ TYPE="KEYWORD1">\textfont</SEQ>
  2036.             <SEQ TYPE="KEYWORD1">\tabsdone</SEQ>
  2037.             <SEQ TYPE="KEYWORD1">\tabalign</SEQ>
  2038.             <SEQ TYPE="KEYWORD1">\supseteq</SEQ>
  2039.             <SEQ TYPE="KEYWORD1">\subseteq</SEQ>
  2040.             <SEQ TYPE="KEYWORD1">\strutbox</SEQ>
  2041.             <SEQ TYPE="KEYWORD1">\smallint</SEQ>
  2042.             <SEQ TYPE="KEYWORD1">\skewchar</SEQ>
  2043.             <SEQ TYPE="KEYWORD1">\setminus</SEQ>
  2044.             <SEQ TYPE="KEYWORD1">\proclaim</SEQ>
  2045.             <SEQ TYPE="KEYWORD1">\prevgraf</SEQ>
  2046.             <SEQ TYPE="KEYWORD1">\patterns</SEQ>
  2047.             <SEQ TYPE="KEYWORD1">\parshape</SEQ>
  2048.             <SEQ TYPE="KEYWORD1">\parallel</SEQ>
  2049.             <SEQ TYPE="KEYWORD1">\pagegoal</SEQ>
  2050.             <SEQ TYPE="KEYWORD1">\pagebody</SEQ>
  2051.             <SEQ TYPE="KEYWORD1">\overline</SEQ>
  2052.             <SEQ TYPE="KEYWORD1">\oldstyle</SEQ>
  2053.             <SEQ TYPE="KEYWORD1">\nolimits</SEQ>
  2054.             <SEQ TYPE="KEYWORD1">\noindent</SEQ>
  2055.             <SEQ TYPE="KEYWORD1">\noexpand</SEQ>
  2056.             <SEQ TYPE="COMMENT2">\newwrite</SEQ>
  2057.             <SEQ TYPE="COMMENT2">\newdimen</SEQ>
  2058.             <SEQ TYPE="COMMENT2">\newcount</SEQ>
  2059.             <SEQ TYPE="KEYWORD1">\narrower</SEQ>
  2060.             <SEQ TYPE="KEYWORD1">\moveleft</SEQ>
  2061.             <SEQ TYPE="KEYWORD1">\medbreak</SEQ>
  2062.             <SEQ TYPE="KEYWORD1">\maxdimen</SEQ>
  2063.             <SEQ TYPE="KEYWORD4">\maxdepth</SEQ>
  2064.             <SEQ TYPE="KEYWORD1">\mathopen</SEQ>
  2065.             <SEQ TYPE="KEYWORD1">\mathcode</SEQ>
  2066.             <SEQ TYPE="KEYWORD1">\mathchar</SEQ>
  2067.             <SEQ TYPE="KEYWORD1">\lineskip</SEQ>
  2068.             <SEQ TYPE="KEYWORD4">\leftskip</SEQ>
  2069.             <SEQ TYPE="KEYWORD4">\leftline</SEQ>
  2070.             <SEQ TYPE="KEYWORD1">\lastskip</SEQ>
  2071.             <SEQ TYPE="KEYWORD1">\lastkern</SEQ>
  2072.             <SEQ TYPE="KEYWORD4">\language</SEQ>
  2073.             <SEQ TYPE="KEYWORD1">\itemitem</SEQ>
  2074.             <SEQ TYPE="KEYWORD1">\hphantom</SEQ>
  2075.             <SEQ TYPE="KEYWORD1">\hideskip</SEQ>
  2076.             <SEQ TYPE="KEYWORD1">\headline</SEQ>
  2077.             <SEQ TYPE="KEYWORD4">\hbadness</SEQ>
  2078.             <SEQ TYPE="KEYWORD1">\footnote</SEQ>
  2079.             <SEQ TYPE="KEYWORD1">\footline</SEQ>
  2080.             <SEQ TYPE="KEYWORD1">\multiply</SEQ>
  2081.             <SEQ TYPE="KEYWORD1">\fontname</SEQ>
  2082.             <SEQ TYPE="KEYWORD1">\filbreak</SEQ>
  2083.             <SEQ TYPE="KEYWORD4">\everypar</SEQ>
  2084.             <SEQ TYPE="KEYWORD4">\everyjob</SEQ>
  2085.             <SEQ TYPE="KEYWORD1">\endinput</SEQ>
  2086.             <SEQ TYPE="KEYWORD1">\endgroup</SEQ>
  2087.             <SEQ TYPE="KEYWORD1">\emptyset</SEQ>
  2088.             <SEQ TYPE="FUNCTION">\dimendef</SEQ>
  2089.             <SEQ TYPE="FUNCTION">\countdef</SEQ>
  2090.             <SEQ TYPE="KEYWORD1">\clubsuit</SEQ>
  2091.             <SEQ TYPE="KEYWORD1">\closeout</SEQ>
  2092.             <SEQ TYPE="KEYWORD1">\cleaders</SEQ>
  2093.             <SEQ TYPE="KEYWORD1">\buildrel</SEQ>
  2094.             <SEQ TYPE="KEYWORD1">\bigwedge</SEQ>
  2095.             <SEQ TYPE="KEYWORD1">\biguplus</SEQ>
  2096.             <SEQ TYPE="KEYWORD1">\bigsqcup</SEQ>
  2097.             <SEQ TYPE="KEYWORD1">\bigoplus</SEQ>
  2098.             <SEQ TYPE="KEYWORD1">\bigbreak</SEQ>
  2099.  
  2100.             <!-- Length Eight Register Reference -->
  2101.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2102.                     >\\muskip[0-9][0-9]</SEQ_REGEXP>
  2103.  
  2104.             <!-- Length Eight Register Reference -->
  2105.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2106.                     >\\dimen([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  2107.  
  2108.             <!-- Length Eight Register Reference -->
  2109.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2110.                     >\\count([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  2111.  
  2112.             <!-- Arbitrary control sequence of the specified length -->
  2113.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{8}</SEQ_REGEXP>
  2114.  
  2115.         <!-- Seven letter control sequences -->
  2116.  
  2117.             <SEQ TYPE="KEYWORD1">\widehat</SEQ>
  2118.             <SEQ TYPE="KEYWORD4">\voffset</SEQ>
  2119.             <SEQ TYPE="KEYWORD1">\vfilneg</SEQ>
  2120.             <SEQ TYPE="KEYWORD1">\vcenter</SEQ>
  2121.             <SEQ TYPE="KEYWORD1">\vadjust</SEQ>
  2122.             <SEQ TYPE="KEYWORD1">\Upsilon</SEQ>
  2123.             <SEQ TYPE="KEYWORD1">\upsilon</SEQ>
  2124.             <SEQ TYPE="KEYWORD1">\Uparrow</SEQ>
  2125.             <SEQ TYPE="KEYWORD1">\uparrow</SEQ>
  2126.             <SEQ TYPE="KEYWORD1">\unvcopy</SEQ>
  2127.             <SEQ TYPE="KEYWORD1">\unhcopy</SEQ>
  2128.             <SEQ TYPE="KEYWORD4">\topskip</SEQ>
  2129.             <SEQ TYPE="KEYWORD1">\topmark</SEQ>
  2130.             <SEQ TYPE="FUNCTION">\toksdef</SEQ>
  2131.             <SEQ TYPE="KEYWORD1">\tabsyet</SEQ>
  2132.             <SEQ TYPE="KEYWORD4">\tabskip</SEQ>
  2133.             <SEQ TYPE="KEYWORD1">\swarrow</SEQ>
  2134.             <SEQ TYPE="KEYWORD1">\special</SEQ>
  2135.             <SEQ TYPE="FUNCTION">\skipdef</SEQ>
  2136.             <SEQ TYPE="KEYWORD1">\showthe</SEQ>
  2137.             <SEQ TYPE="KEYWORD1">\showbox</SEQ>
  2138.             <SEQ TYPE="KEYWORD1">\shipout</SEQ>
  2139.             <SEQ TYPE="KEYWORD1">\sevensy</SEQ>
  2140.             <SEQ TYPE="KEYWORD1">\sevenrm</SEQ>
  2141.             <SEQ TYPE="KEYWORD1">\sevenbf</SEQ>
  2142.             <SEQ TYPE="KEYWORD1">\settabs</SEQ>
  2143.             <SEQ TYPE="KEYWORD1">\searrow</SEQ>
  2144.             <SEQ TYPE="KEYWORD1">\rootbox</SEQ>
  2145.             <SEQ TYPE="KEYWORD1">\radical</SEQ>
  2146.             <SEQ TYPE="KEYWORD1">\pmatrix</SEQ>
  2147.             <SEQ TYPE="KEYWORD1">\phantom</SEQ>
  2148.             <SEQ TYPE="KEYWORD1">\penalty</SEQ>
  2149.             <SEQ TYPE="KEYWORD4">\pausing</SEQ>
  2150.             <SEQ TYPE="KEYWORD1">\partial</SEQ>
  2151.             <SEQ TYPE="KEYWORD4">\parskip</SEQ>
  2152.             <SEQ TYPE="KEYWORD1">\openout</SEQ>
  2153.             <SEQ TYPE="KEYWORD1">\ooalign</SEQ>
  2154.             <SEQ TYPE="KEYWORD1">\nwarrow</SEQ>
  2155.             <SEQ TYPE="KEYWORD1">\nobreak</SEQ>
  2156.             <SEQ TYPE="KEYWORD1">\noalign</SEQ>
  2157.             <SEQ TYPE="COMMENT2">\newtoks</SEQ>
  2158.             <SEQ TYPE="COMMENT2">\newskip</SEQ>
  2159.             <SEQ TYPE="COMMENT2">\newread</SEQ>
  2160.             <SEQ TYPE="COMMENT2">\newhelp</SEQ>
  2161.             <SEQ TYPE="KEYWORD1">\nearrow</SEQ>
  2162.             <SEQ TYPE="KEYWORD1">\natural</SEQ>
  2163.             <SEQ TYPE="KEYWORD1">\mscount</SEQ>
  2164.             <SEQ TYPE="KEYWORD1">\message</SEQ>
  2165.             <SEQ TYPE="KEYWORD1">\medskip</SEQ>
  2166.             <SEQ TYPE="KEYWORD1">\meaning</SEQ>
  2167.             <SEQ TYPE="KEYWORD1">\mathrel</SEQ>
  2168.             <SEQ TYPE="KEYWORD1">\mathord</SEQ>
  2169.             <SEQ TYPE="KEYWORD1">\mathbin</SEQ>
  2170.             <SEQ TYPE="KEYWORD1">\magstep</SEQ>
  2171.             <SEQ TYPE="KEYWORD1">\leaders</SEQ>
  2172.             <SEQ TYPE="KEYWORD1">\lastbox</SEQ>
  2173.             <SEQ TYPE="KEYWORD1">\joinrel</SEQ>
  2174.             <SEQ TYPE="KEYWORD1">\jobname</SEQ>
  2175.             <SEQ TYPE="KEYWORD1">\iterate</SEQ>
  2176.             <SEQ TYPE="KEYWORD3">\ifvmode</SEQ>
  2177.             <SEQ TYPE="KEYWORD3">\ifmmode</SEQ>
  2178.             <SEQ TYPE="KEYWORD3">\ifinner</SEQ>
  2179.             <SEQ TYPE="KEYWORD3">\ifhmode</SEQ>
  2180.             <SEQ TYPE="KEYWORD3">\iffalse</SEQ>
  2181.             <SEQ TYPE="KEYWORD4">\hoffset</SEQ>
  2182.             <SEQ TYPE="KEYWORD1">\hfilneg</SEQ>
  2183.             <SEQ TYPE="KEYWORD1">\footins</SEQ>
  2184.             <SEQ TYPE="KEYWORD1">\fmtname</SEQ>
  2185.             <SEQ TYPE="KEYWORD4">\everycr</SEQ>
  2186.             <SEQ TYPE="KEYWORD4">\errhelp</SEQ>
  2187.             <SEQ TYPE="KEYWORD1">\eqalign</SEQ>
  2188.             <SEQ TYPE="KEYWORD1">\epsilon</SEQ>
  2189.             <SEQ TYPE="KEYWORD1">\enspace</SEQ>
  2190.             <SEQ TYPE="KEYWORD1">\endline</SEQ>
  2191.             <SEQ TYPE="KEYWORD1">\endgraf</SEQ>
  2192.             <SEQ TYPE="KEYWORD1">\dotfill</SEQ>
  2193.             <SEQ TYPE="KEYWORD1">\diamond</SEQ>
  2194.             <SEQ TYPE="KEYWORD1">\delcode</SEQ>
  2195.             <SEQ TYPE="KEYWORD1">\ddagger</SEQ>
  2196.             <SEQ TYPE="KEYWORD1">\columns</SEQ>
  2197.             <SEQ TYPE="KEYWORD1">\closein</SEQ>
  2198.             <SEQ TYPE="FUNCTION">\chardef</SEQ>
  2199.             <SEQ TYPE="KEYWORD2">\cdprime</SEQ>
  2200.             <SEQ TYPE="KEYWORD1">\catcode</SEQ>
  2201.             <SEQ TYPE="KEYWORD1">\braceru</SEQ>
  2202.             <SEQ TYPE="KEYWORD1">\bracerd</SEQ>
  2203.             <SEQ TYPE="KEYWORD1">\bracelu</SEQ>
  2204.             <SEQ TYPE="KEYWORD1">\braceld</SEQ>
  2205.             <SEQ TYPE="KEYWORD1">\botmark</SEQ>
  2206.             <SEQ TYPE="KEYWORD1">\bigskip</SEQ>
  2207.             <SEQ TYPE="KEYWORD1">\bigodot</SEQ>
  2208.             <SEQ TYPE="KEYWORD1">\bigcirc</SEQ>
  2209.             <SEQ TYPE="KEYWORD1">\advance</SEQ>
  2210.  
  2211.             <!-- Length Seven Register Reference -->
  2212.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4">\\muskip[0-9]</SEQ_REGEXP>
  2213.  
  2214.             <!-- Length Seven Register Reference -->
  2215.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2216.                     >\\dimen[0-9][0-9]</SEQ_REGEXP>
  2217.  
  2218.             <!-- Length Seven Register Reference -->
  2219.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2220.                     >\\count[0-9][0-9]</SEQ_REGEXP>
  2221.  
  2222.             <!-- Length Seven Register Reference -->
  2223.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2224.                     >\\toks([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  2225.  
  2226.             <!-- Length Seven Register Reference -->
  2227.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2228.                     >\\skip([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  2229.  
  2230.             <!-- Length Seven Decimal Character Reference -->
  2231.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  2232.                     >\\char([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  2233.  
  2234.             <!-- Length Seven Octal Character Reference -->
  2235.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  2236.                     >\\char'[0-7][0-7]</SEQ_REGEXP>
  2237.  
  2238.             <!-- Length Seven Hexadecimal Character Reference -->
  2239.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  2240.                     >\\char"[0-9A-Fa-f][0-9A-Fa-f]</SEQ_REGEXP>
  2241.  
  2242.             <!-- Arbitrary control sequence of the specified length -->
  2243.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{7}</SEQ_REGEXP>
  2244.  
  2245.         <!-- Six letter control sequences -->
  2246.  
  2247.             <SEQ TYPE="KEYWORD1">\vsplit</SEQ>
  2248.             <SEQ TYPE="KEYWORD1">\varrho</SEQ>
  2249.             <SEQ TYPE="KEYWORD1">\varphi</SEQ>
  2250.             <SEQ TYPE="KEYWORD1">\valign</SEQ>
  2251.             <SEQ TYPE="KEYWORD2">\utilde</SEQ>
  2252.             <SEQ TYPE="KEYWORD1">\unvbox</SEQ>
  2253.             <SEQ TYPE="KEYWORD1">\unskip</SEQ>
  2254.             <SEQ TYPE="KEYWORD1">\unkern</SEQ>
  2255.             <SEQ TYPE="KEYWORD1">\unhbox</SEQ>
  2256.             <SEQ TYPE="KEYWORD4">\uchyph</SEQ>
  2257.             <SEQ TYPE="KEYWORD1">\uccode</SEQ>
  2258.             <SEQ TYPE="KEYWORD1">\topins</SEQ>
  2259.             <SEQ TYPE="KEYWORD1">\supset</SEQ>
  2260.             <SEQ TYPE="KEYWORD1">\succeq</SEQ>
  2261.             <SEQ TYPE="KEYWORD1">\subset</SEQ>
  2262.             <SEQ TYPE="KEYWORD1">\string</SEQ>
  2263.             <SEQ TYPE="KEYWORD1">\sfcode</SEQ>
  2264.             <SEQ TYPE="KEYWORD1">\seveni</SEQ>
  2265.             <SEQ TYPE="KEYWORD1">\setbox</SEQ>
  2266.             <SEQ TYPE="KEYWORD1">\rgroup</SEQ>
  2267.             <SEQ TYPE="KEYWORD1">\rfloor</SEQ>
  2268.             <SEQ TYPE="KEYWORD1">\repeat</SEQ>
  2269.             <SEQ TYPE="KEYWORD1">\Relbar</SEQ>
  2270.             <SEQ TYPE="KEYWORD1">\relbar</SEQ>
  2271.             <SEQ TYPE="KEYWORD1">\rbrack</SEQ>
  2272.             <SEQ TYPE="KEYWORD1">\rbrace</SEQ>
  2273.             <SEQ TYPE="KEYWORD1">\rangle</SEQ>
  2274.             <SEQ TYPE="KEYWORD1">\propto</SEQ>
  2275.             <SEQ TYPE="KEYWORD1">\preceq</SEQ>
  2276.             <SEQ TYPE="KEYWORD1">\pageno</SEQ>
  2277.             <SEQ TYPE="KEYWORD4">\output</SEQ>
  2278.             <SEQ TYPE="KEYWORD1">\otimes</SEQ>
  2279.             <SEQ TYPE="KEYWORD1">\oslash</SEQ>
  2280.             <SEQ TYPE="KEYWORD1">\openup</SEQ>
  2281.             <SEQ TYPE="KEYWORD1">\openin</SEQ>
  2282.             <SEQ TYPE="KEYWORD1">\ominus</SEQ>
  2283.             <SEQ TYPE="KEYWORD1">\ointop</SEQ>
  2284.             <SEQ TYPE="KEYWORD1">\oalign</SEQ>
  2285.             <SEQ TYPE="KEYWORD1">\number</SEQ>
  2286.             <SEQ TYPE="COMMENT2">\newfam</SEQ>
  2287.             <SEQ TYPE="COMMENT2">\newbox</SEQ>
  2288.             <SEQ TYPE="COMMENT4">\muskip</SEQ>
  2289.             <SEQ TYPE="KEYWORD1">\models</SEQ>
  2290.             <SEQ TYPE="KEYWORD1">\matrix</SEQ>
  2291.             <SEQ TYPE="KEYWORD1">\mathop</SEQ>
  2292.             <SEQ TYPE="KEYWORD1">\mapsto</SEQ>
  2293.             <SEQ TYPE="KEYWORD1">\limsup</SEQ>
  2294.             <SEQ TYPE="KEYWORD1">\limits</SEQ>
  2295.             <SEQ TYPE="KEYWORD1">\liminf</SEQ>
  2296.             <SEQ TYPE="KEYWORD1">\lgroup</SEQ>
  2297.             <SEQ TYPE="KEYWORD2">\lfhook</SEQ>
  2298.             <SEQ TYPE="KEYWORD1">\lfloor</SEQ>
  2299.             <SEQ TYPE="KEYWORD1">\lccode</SEQ>
  2300.             <SEQ TYPE="KEYWORD1">\lbrack</SEQ>
  2301.             <SEQ TYPE="KEYWORD1">\lbrace</SEQ>
  2302.             <SEQ TYPE="KEYWORD1">\langle</SEQ>
  2303.             <SEQ TYPE="KEYWORD1">\Lambda</SEQ>
  2304.             <SEQ TYPE="KEYWORD1">\lambda</SEQ>
  2305.             <SEQ TYPE="KEYWORD1">\insert</SEQ>
  2306.             <SEQ TYPE="KEYWORD1">\indent</SEQ>
  2307.             <SEQ TYPE="KEYWORD3">\ifvoid</SEQ>
  2308.             <SEQ TYPE="KEYWORD3">\ifvbox</SEQ>
  2309.             <SEQ TYPE="KEYWORD3">\iftrue</SEQ>
  2310.             <SEQ TYPE="KEYWORD3">\ifhbox</SEQ>
  2311.             <SEQ TYPE="KEYWORD3">\ifcase</SEQ>
  2312.             <SEQ TYPE="KEYWORD1">\ialign</SEQ>
  2313.             <SEQ TYPE="KEYWORD1">\halign</SEQ>
  2314.             <SEQ TYPE="FUNCTION">\global</SEQ>
  2315.             <SEQ TYPE="KEYWORD1">\forall</SEQ>
  2316.             <SEQ TYPE="KEYWORD1">\fivesy</SEQ>
  2317.             <SEQ TYPE="KEYWORD1">\fiverm</SEQ>
  2318.             <SEQ TYPE="KEYWORD1">\fivebf</SEQ>
  2319.             <SEQ TYPE="KEYWORD1">\exists</SEQ>
  2320.             <SEQ TYPE="KEYWORD1">\enskip</SEQ>
  2321.             <SEQ TYPE="KEYWORD1">\egroup</SEQ>
  2322.             <SEQ TYPE="KEYWORD1">\divide</SEQ>
  2323.             <SEQ TYPE="KEYWORD1">\dagger</SEQ>
  2324.             <SEQ TYPE="FUNCTION">\csname</SEQ>
  2325.             <SEQ TYPE="KEYWORD2">\cprime</SEQ>
  2326.             <SEQ TYPE="KEYWORD1">\coprod</SEQ>
  2327.             <SEQ TYPE="KEYWORD1">\choose</SEQ>
  2328.             <SEQ TYPE="KEYWORD2">\cfudot</SEQ>
  2329.             <SEQ TYPE="KEYWORD2">\candra</SEQ>
  2330.             <SEQ TYPE="KEYWORD1">\bullet</SEQ>
  2331.             <SEQ TYPE="KEYWORD1">\bowtie</SEQ>
  2332.             <SEQ TYPE="KEYWORD1">\bigvee</SEQ>
  2333.             <SEQ TYPE="KEYWORD1">\bigcup</SEQ>
  2334.             <SEQ TYPE="KEYWORD1">\bigcap</SEQ>
  2335.             <SEQ TYPE="KEYWORD1">\bgroup</SEQ>
  2336.             <SEQ TYPE="KEYWORD1">\arctan</SEQ>
  2337.             <SEQ TYPE="KEYWORD1">\arcsin</SEQ>
  2338.             <SEQ TYPE="KEYWORD1">\arccos</SEQ>
  2339.             <SEQ TYPE="KEYWORD1">\approx</SEQ>
  2340.             <SEQ TYPE="KEYWORD2">\acudot</SEQ>
  2341.             <SEQ TYPE="KEYWORD1">\active</SEQ>
  2342.             <SEQ TYPE="KEYWORD1">\accent</SEQ>
  2343.  
  2344.             <!-- Length Six Register Reference -->
  2345.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2346.                     >\\dimen[0-9]</SEQ_REGEXP>
  2347.  
  2348.             <!-- Length Six Register Reference -->
  2349.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2350.                     >\\count[0-9]</SEQ_REGEXP>
  2351.  
  2352.             <!-- Length Six Register Reference -->
  2353.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2354.                     >\\toks[0-9][0-9]</SEQ_REGEXP>
  2355.  
  2356.             <!-- Length Six Register Reference -->
  2357.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2358.                     >\\skip[0-9][0-9]</SEQ_REGEXP>
  2359.  
  2360.             <!-- Length Six Register Reference -->
  2361.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2362.                     >\\box([0-1][0-9][0-9]|2([0-4][0-9]|5[0-5]))</SEQ_REGEXP>
  2363.  
  2364.             <!-- Length Six Decimal Character Reference -->
  2365.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  2366.                     >\\char[0-9][0-9]</SEQ_REGEXP>
  2367.  
  2368.             <!-- Length Six Octal Character Reference -->
  2369.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2">\\char'[0-7]</SEQ_REGEXP>
  2370.  
  2371.             <!-- Length Six Hexadecimal Character Reference -->
  2372.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2"
  2373.                     >\\char"[0-9A-Fa-f]</SEQ_REGEXP>
  2374.  
  2375.             <!-- Arbitrary control sequence of the specified length -->
  2376.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{6}</SEQ_REGEXP>
  2377.  
  2378.         <!-- Five letter control sequences -->
  2379.  
  2380.             <SEQ TYPE="KEYWORD1">\write</SEQ>
  2381.             <SEQ TYPE="KEYWORD1">\wedge</SEQ>
  2382.             <SEQ TYPE="KEYWORD1">\vskip</SEQ>
  2383.             <SEQ TYPE="KEYWORD4">\vsize</SEQ>
  2384.             <SEQ TYPE="KEYWORD1">\vrule</SEQ>
  2385.             <SEQ TYPE="KEYWORD1">\vglue</SEQ>
  2386.             <SEQ TYPE="KEYWORD4">\vfuzz</SEQ>
  2387.             <SEQ TYPE="KEYWORD1">\vfill</SEQ>
  2388.             <SEQ TYPE="KEYWORD1">\vdots</SEQ>
  2389.             <SEQ TYPE="KEYWORD1">\vdash</SEQ>
  2390.             <SEQ TYPE="KEYWORD1">\varpi</SEQ>
  2391.             <SEQ TYPE="KEYWORD1">\uplus</SEQ>
  2392.             <SEQ TYPE="KEYWORD1">\ttfam</SEQ>
  2393.             <SEQ TYPE="KEYWORD1">\times</SEQ>
  2394.             <SEQ TYPE="KEYWORD1">\tilde</SEQ>
  2395.             <SEQ TYPE="KEYWORD1">\Theta</SEQ>
  2396.             <SEQ TYPE="KEYWORD1">\theta</SEQ>
  2397.             <SEQ TYPE="KEYWORD1">\tentt</SEQ>
  2398.             <SEQ TYPE="KEYWORD1">\tensy</SEQ>
  2399.             <SEQ TYPE="KEYWORD1">\tensl</SEQ>
  2400.             <SEQ TYPE="KEYWORD1">\tenrm</SEQ>
  2401.             <SEQ TYPE="KEYWORD1">\tenit</SEQ>
  2402.             <SEQ TYPE="KEYWORD1">\tenex</SEQ>
  2403.             <SEQ TYPE="KEYWORD1">\tenbf</SEQ>
  2404.             <SEQ TYPE="KEYWORD1">\strut</SEQ>
  2405.             <SEQ TYPE="KEYWORD1">\sqcup</SEQ>
  2406.             <SEQ TYPE="KEYWORD1">\sqcap</SEQ>
  2407.             <SEQ TYPE="KEYWORD1">\space</SEQ>
  2408.             <SEQ TYPE="KEYWORD1">\smile</SEQ>
  2409.             <SEQ TYPE="KEYWORD1">\smash</SEQ>
  2410.             <SEQ TYPE="KEYWORD1">\slfam</SEQ>
  2411.             <SEQ TYPE="KEYWORD1">\slash</SEQ>
  2412.             <SEQ TYPE="KEYWORD1">\simeq</SEQ>
  2413.             <SEQ TYPE="KEYWORD1">\Sigma</SEQ>
  2414.             <SEQ TYPE="KEYWORD1">\sigma</SEQ>
  2415.             <SEQ TYPE="KEYWORD1">\sharp</SEQ>
  2416.             <SEQ TYPE="KEYWORD1">\right</SEQ>
  2417.             <SEQ TYPE="KEYWORD1">\rhook</SEQ>
  2418.             <SEQ TYPE="KEYWORD1">\relax</SEQ>
  2419.             <SEQ TYPE="KEYWORD1">\rceil</SEQ>
  2420.             <SEQ TYPE="KEYWORD1">\raise</SEQ>
  2421.             <SEQ TYPE="KEYWORD1">\qquad</SEQ>
  2422.             <SEQ TYPE="KEYWORD1">\prime</SEQ>
  2423.             <SEQ TYPE="FUNCTION">\outer</SEQ>
  2424.             <SEQ TYPE="KEYWORD1">\oplus</SEQ>
  2425.             <SEQ TYPE="KEYWORD1">\Omega</SEQ>
  2426.             <SEQ TYPE="KEYWORD1">\omega</SEQ>
  2427.             <SEQ TYPE="KEYWORD1">\notin</SEQ>
  2428.             <SEQ TYPE="COMMENT2">\newif</SEQ>
  2429.             <SEQ TYPE="KEYWORD1">\nabla</SEQ>
  2430.             <SEQ TYPE="KEYWORD1">\mskip</SEQ>
  2431.             <SEQ TYPE="KEYWORD4">\month</SEQ>
  2432.             <SEQ TYPE="KEYWORD1">\mkern</SEQ>
  2433.             <SEQ TYPE="KEYWORD1">\lower</SEQ>
  2434.             <SEQ TYPE="KEYWORD1">\lhook</SEQ>
  2435.             <SEQ TYPE="KEYWORD1">\leqno</SEQ>
  2436.             <SEQ TYPE="KEYWORD1">\ldots</SEQ>
  2437.             <SEQ TYPE="KEYWORD1">\ldotp</SEQ>
  2438.             <SEQ TYPE="KEYWORD1">\lceil</SEQ>
  2439.             <SEQ TYPE="KEYWORD1">\kappa</SEQ>
  2440.             <SEQ TYPE="KEYWORD1">\jmath</SEQ>
  2441.             <SEQ TYPE="KEYWORD1">\itfam</SEQ>
  2442.             <SEQ TYPE="KEYWORD1">\intop</SEQ>
  2443.             <SEQ TYPE="KEYWORD1">\input</SEQ>
  2444.             <SEQ TYPE="KEYWORD1">\infty</SEQ>
  2445.             <SEQ TYPE="KEYWORD1">\imath</SEQ>
  2446.             <SEQ TYPE="KEYWORD3">\ifodd</SEQ>
  2447.             <SEQ TYPE="KEYWORD3">\ifnum</SEQ>
  2448.             <SEQ TYPE="KEYWORD3">\ifeof</SEQ>
  2449.             <SEQ TYPE="KEYWORD3">\ifdim</SEQ>
  2450.             <SEQ TYPE="KEYWORD3">\ifcat</SEQ>
  2451.             <SEQ TYPE="KEYWORD1">\hskip</SEQ>
  2452.             <SEQ TYPE="KEYWORD4">\hsize</SEQ>
  2453.             <SEQ TYPE="KEYWORD1">\hrule</SEQ>
  2454.             <SEQ TYPE="KEYWORD1">\hglue</SEQ>
  2455.             <SEQ TYPE="KEYWORD4">\hfuzz</SEQ>
  2456.             <SEQ TYPE="KEYWORD1">\hfill</SEQ>
  2457.             <SEQ TYPE="KEYWORD1">\grave</SEQ>
  2458.             <SEQ TYPE="KEYWORD1">\Gamma</SEQ>
  2459.             <SEQ TYPE="KEYWORD1">\gamma</SEQ>
  2460.             <SEQ TYPE="KEYWORD1">\frown</SEQ>
  2461.             <SEQ TYPE="KEYWORD1">\folio</SEQ>
  2462.             <SEQ TYPE="KEYWORD1">\fivei</SEQ>
  2463.             <SEQ TYPE="KEYWORD1">\equiv</SEQ>
  2464.             <SEQ TYPE="KEYWORD1">\empty</SEQ>
  2465.             <SEQ TYPE="KEYWORD1">\eject</SEQ>
  2466.             <SEQ TYPE="KEYWORD1">\doteq</SEQ>
  2467.             <SEQ TYPE="COMMENT4">\dimen</SEQ>
  2468.             <SEQ TYPE="KEYWORD1">\Delta</SEQ>
  2469.             <SEQ TYPE="KEYWORD1">\delta</SEQ>
  2470.             <SEQ TYPE="KEYWORD1">\ddots</SEQ>
  2471.             <SEQ TYPE="KEYWORD1">\dashv</SEQ>
  2472.             <SEQ TYPE="COMMENT4">\count</SEQ>
  2473.             <SEQ TYPE="KEYWORD1">\colon</SEQ>
  2474.             <SEQ TYPE="KEYWORD1">\check</SEQ>
  2475.             <SEQ TYPE="KEYWORD1">\cdots</SEQ>
  2476.             <SEQ TYPE="KEYWORD1">\cdotp</SEQ>
  2477.             <SEQ TYPE="KEYWORD1">\cases</SEQ>
  2478.             <SEQ TYPE="KEYWORD1">\breve</SEQ>
  2479.             <SEQ TYPE="KEYWORD1">\break</SEQ>
  2480.             <SEQ TYPE="KEYWORD1">\brack</SEQ>
  2481.             <SEQ TYPE="KEYWORD1">\brace</SEQ>
  2482.             <SEQ TYPE="KEYWORD1">\Biggr</SEQ>
  2483.             <SEQ TYPE="KEYWORD1">\biggr</SEQ>
  2484.             <SEQ TYPE="KEYWORD1">\Biggm</SEQ>
  2485.             <SEQ TYPE="KEYWORD1">\biggm</SEQ>
  2486.             <SEQ TYPE="KEYWORD1">\Biggl</SEQ>
  2487.             <SEQ TYPE="KEYWORD1">\biggl</SEQ>
  2488.             <SEQ TYPE="KEYWORD1">\bffam</SEQ>
  2489.             <SEQ TYPE="KEYWORD1">\asymp</SEQ>
  2490.             <SEQ TYPE="KEYWORD1">\angle</SEQ>
  2491.             <SEQ TYPE="KEYWORD1">\amalg</SEQ>
  2492.             <SEQ TYPE="KEYWORD1">\alpha</SEQ>
  2493.             <SEQ TYPE="KEYWORD1">\aleph</SEQ>
  2494.             <SEQ TYPE="KEYWORD1">\acute</SEQ>
  2495.             <SEQ TYPE="KEYWORD1">\above</SEQ>
  2496.  
  2497.             <!-- Length Five Register Reference -->
  2498.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4">\\toks[0-9]</SEQ_REGEXP>
  2499.  
  2500.             <!-- Length Five Register Reference -->
  2501.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4">\\skip[0-9]</SEQ_REGEXP>
  2502.  
  2503.             <!-- Length Five Register Reference -->
  2504.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4"
  2505.                     >\\box[0-9][0-9]</SEQ_REGEXP>
  2506.  
  2507.             <!-- Length Five Decimal Character Reference -->
  2508.             <SEQ_REGEXP HASH_CHARS="\" TYPE="KEYWORD2">\\char[0-9]</SEQ_REGEXP>
  2509.  
  2510.             <!-- Length Five Octal Character Reference -->
  2511.             <SEQ TYPE="KEYWORD2">\char'</SEQ>
  2512.  
  2513.             <!-- Length Five Hexadecimal Character Reference -->
  2514.             <SEQ TYPE="KEYWORD2">\char"</SEQ>
  2515.  
  2516.             <!-- Arbitrary control sequence of the specified length -->
  2517.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{5}</SEQ_REGEXP>
  2518.  
  2519.         <!-- Four letter control sequences -->
  2520.             <SEQ TYPE="KEYWORD1">\zeta</SEQ>
  2521.             <SEQ TYPE="KEYWORD4">\year</SEQ>
  2522.             <SEQ TYPE="FUNCTION">\xdef</SEQ>
  2523.             <SEQ TYPE="KEYWORD1">\wlog</SEQ>
  2524.             <SEQ TYPE="KEYWORD1">\vtop</SEQ>
  2525.             <SEQ TYPE="KEYWORD1">\vfil</SEQ>
  2526.             <SEQ TYPE="KEYWORD1">\vert</SEQ>
  2527.             <SEQ TYPE="KEYWORD1">\Vert</SEQ>
  2528.             <SEQ TYPE="KEYWORD1">\vbox</SEQ>
  2529.             <SEQ TYPE="KEYWORD2">\uarc</SEQ>
  2530.             <SEQ TYPE="KEYWORD4">\toks</SEQ>
  2531.             <SEQ TYPE="KEYWORD4">\time</SEQ>
  2532.             <SEQ TYPE="KEYWORD1">\teni</SEQ>
  2533.             <SEQ TYPE="KEYWORD1">\tanh</SEQ>
  2534.             <SEQ TYPE="KEYWORD1">\tabs</SEQ>
  2535.             <SEQ TYPE="KEYWORD1">\surd</SEQ>
  2536.             <SEQ TYPE="KEYWORD1">\succ</SEQ>
  2537.             <SEQ TYPE="KEYWORD1">\star</SEQ>
  2538.             <SEQ TYPE="KEYWORD1">\sqrt</SEQ>
  2539.             <SEQ TYPE="KEYWORD1">\span</SEQ>
  2540.             <SEQ TYPE="KEYWORD4">\skip</SEQ>
  2541.             <SEQ TYPE="KEYWORD1">\skew</SEQ>
  2542.             <SEQ TYPE="KEYWORD1">\sinh</SEQ>
  2543.             <SEQ TYPE="KEYWORD1">\show</SEQ>
  2544.             <SEQ TYPE="KEYWORD1">\root</SEQ>
  2545.             <SEQ TYPE="KEYWORD1">\rlap</SEQ>
  2546.             <SEQ TYPE="KEYWORD1">\read</SEQ>
  2547.             <SEQ TYPE="KEYWORD1">\quad</SEQ>
  2548.             <SEQ TYPE="KEYWORD1">\prod</SEQ>
  2549.             <SEQ TYPE="KEYWORD1">\prec</SEQ>
  2550.             <SEQ TYPE="KEYWORD1">\pmod</SEQ>
  2551.             <SEQ TYPE="KEYWORD1">\perp</SEQ>
  2552.             <SEQ TYPE="KEYWORD1">\owns</SEQ>
  2553.             <SEQ TYPE="KEYWORD1">\over</SEQ>
  2554.             <SEQ TYPE="KEYWORD1">\omit</SEQ>
  2555.             <SEQ TYPE="KEYWORD1">\oint</SEQ>
  2556.             <SEQ TYPE="KEYWORD1">\odot</SEQ>
  2557.             <SEQ TYPE="KEYWORD1">\null</SEQ>
  2558.             <SEQ TYPE="KEYWORD1">\next</SEQ>
  2559.             <SEQ TYPE="KEYWORD1">\mark</SEQ>
  2560.             <SEQ TYPE="KEYWORD1">\loop</SEQ>
  2561.             <SEQ TYPE="FUNCTION">\long</SEQ>
  2562.             <SEQ TYPE="KEYWORD1">\lnot</SEQ>
  2563.             <SEQ TYPE="KEYWORD1">\llap</SEQ>
  2564.             <SEQ TYPE="KEYWORD1">\line</SEQ>
  2565.             <SEQ TYPE="KEYWORD1">\left</SEQ>
  2566.             <SEQ TYPE="KEYWORD1">\land</SEQ>
  2567.             <SEQ TYPE="KEYWORD1">\kern</SEQ>
  2568.             <SEQ TYPE="KEYWORD1">\item</SEQ>
  2569.             <SEQ TYPE="KEYWORD1">\iota</SEQ>
  2570.             <SEQ TYPE="KEYWORD1">\hfil</SEQ>
  2571.             <SEQ TYPE="KEYWORD1">\hbox</SEQ>
  2572.             <SEQ TYPE="KEYWORD1">\hbar</SEQ>
  2573.             <SEQ TYPE="KEYWORD1">\hang</SEQ>
  2574.             <SEQ TYPE="KEYWORD1">\gets</SEQ>
  2575.             <SEQ TYPE="FUNCTION">\gdef</SEQ>
  2576.             <SEQ TYPE="KEYWORD1">\font</SEQ>
  2577.             <SEQ TYPE="KEYWORD1">\flat</SEQ>
  2578.             <SEQ TYPE="KEYWORD1">\eqno</SEQ>
  2579.             <SEQ TYPE="KEYWORD3">\else</SEQ>
  2580.             <SEQ TYPE="FUNCTION">\edef</SEQ>
  2581.             <SEQ TYPE="KEYWORD1">\dump</SEQ>
  2582.             <SEQ TYPE="KEYWORD1">\dots</SEQ>
  2583.             <SEQ TYPE="KEYWORD1">\ddot</SEQ>
  2584.             <SEQ TYPE="KEYWORD1">\ddag</SEQ>
  2585.             <SEQ TYPE="KEYWORD2">\dbar</SEQ>
  2586.             <SEQ TYPE="KEYWORD2">\Dbar</SEQ>
  2587.             <SEQ TYPE="KEYWORD1">\crcr</SEQ>
  2588.             <SEQ TYPE="KEYWORD1">\coth</SEQ>
  2589.             <SEQ TYPE="KEYWORD1">\cosh</SEQ>
  2590.             <SEQ TYPE="KEYWORD1">\copy</SEQ>
  2591.             <SEQ TYPE="KEYWORD1">\cong</SEQ>
  2592.             <SEQ TYPE="KEYWORD1">\circ</SEQ>
  2593.             <SEQ TYPE="KEYWORD2">\char</SEQ>
  2594.             <SEQ TYPE="KEYWORD2">\cfac</SEQ>
  2595.             <SEQ TYPE="KEYWORD1">\cdot</SEQ>
  2596.             <SEQ TYPE="KEYWORD1">\body</SEQ>
  2597.             <SEQ TYPE="KEYWORD1">\bmod</SEQ>
  2598.             <SEQ TYPE="KEYWORD1">\Bigr</SEQ>
  2599.             <SEQ TYPE="KEYWORD1">\bigr</SEQ>
  2600.             <SEQ TYPE="KEYWORD1">\Bigm</SEQ>
  2601.             <SEQ TYPE="KEYWORD1">\bigm</SEQ>
  2602.             <SEQ TYPE="KEYWORD1">\Bigl</SEQ>
  2603.             <SEQ TYPE="KEYWORD1">\bigl</SEQ>
  2604.             <SEQ TYPE="KEYWORD1">\Bigg</SEQ>
  2605.             <SEQ TYPE="KEYWORD1">\bigg</SEQ>
  2606.             <SEQ TYPE="KEYWORD1">\beta</SEQ>
  2607.             <SEQ TYPE="KEYWORD1">\atop</SEQ>
  2608.  
  2609.             <!-- Length Four Register Reference -->
  2610.             <SEQ_REGEXP HASH_CHARS="\" TYPE="COMMENT4">\\box[0-9]</SEQ_REGEXP>
  2611.  
  2612.             <!-- Length Four Character Reference -->
  2613.             <SEQ TYPE="KEYWORD2">\char</SEQ>
  2614.  
  2615.             <!-- Length Four Hexadecimal Invisible Reference -->
  2616.             <SEQ_REGEXP HASH_CHARS="^" TYPE="KEYWORD2"
  2617.                     >(\u005E|\x5E)(\u005E|\x5E)([0-9a-f])([0-9a-f])</SEQ_REGEXP>
  2618.  
  2619.             <!-- Arbitrary control sequence of the specified length -->
  2620.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{4}</SEQ_REGEXP>
  2621.  
  2622.         <!-- Three letter control sequences -->
  2623.  
  2624.             <SEQ TYPE="KEYWORD1">\vss</SEQ>
  2625.             <SEQ TYPE="KEYWORD1">\vee</SEQ>
  2626.             <SEQ TYPE="KEYWORD1">\vec</SEQ>
  2627.             <SEQ TYPE="KEYWORD1">\top</SEQ>
  2628.             <SEQ TYPE="KEYWORD1">\the</SEQ>
  2629.             <SEQ TYPE="KEYWORD1">\TeX</SEQ>
  2630.             <SEQ TYPE="KEYWORD1">\tau</SEQ>
  2631.             <SEQ TYPE="KEYWORD1">\tan</SEQ>
  2632.             <SEQ TYPE="KEYWORD1">\sup</SEQ>
  2633.             <SEQ TYPE="KEYWORD1">\sum</SEQ>
  2634.             <SEQ TYPE="KEYWORD1">\sin</SEQ>
  2635.             <SEQ TYPE="KEYWORD1">\sim</SEQ>
  2636.             <SEQ TYPE="KEYWORD1">\sec</SEQ>
  2637.             <SEQ TYPE="KEYWORD1">\rho</SEQ>
  2638.             <SEQ TYPE="KEYWORD1">\Psi</SEQ>
  2639.             <SEQ TYPE="KEYWORD1">\psi</SEQ>
  2640.             <SEQ TYPE="KEYWORD1">\Phi</SEQ>
  2641.             <SEQ TYPE="KEYWORD1">\phi</SEQ>
  2642.             <SEQ TYPE="LITERAL3">\par</SEQ>
  2643.             <SEQ TYPE="KEYWORD1">\not</SEQ>
  2644.             <SEQ TYPE="KEYWORD1">\neq</SEQ>
  2645.             <SEQ TYPE="KEYWORD1">\neg</SEQ>
  2646.             <SEQ TYPE="KEYWORD1">\mit</SEQ>
  2647.             <SEQ TYPE="KEYWORD1">\min</SEQ>
  2648.             <SEQ TYPE="KEYWORD1">\mid</SEQ>
  2649.             <SEQ TYPE="KEYWORD1">\max</SEQ>
  2650.             <SEQ TYPE="KEYWORD4">\mag</SEQ>
  2651.             <SEQ TYPE="KEYWORD1">\lor</SEQ>
  2652.             <SEQ TYPE="KEYWORD1">\log</SEQ>
  2653.             <SEQ TYPE="KEYWORD1">\lim</SEQ>
  2654.             <SEQ TYPE="COMMENT3">\let</SEQ>
  2655.             <SEQ TYPE="KEYWORD1">\leq</SEQ>
  2656.             <SEQ TYPE="KEYWORD1">\ker</SEQ>
  2657.             <SEQ TYPE="KEYWORD1">\jot</SEQ>
  2658.             <SEQ TYPE="KEYWORD1">\int</SEQ>
  2659.             <SEQ TYPE="KEYWORD1">\inf</SEQ>
  2660.             <SEQ TYPE="KEYWORD3">\ifx</SEQ>
  2661.             <SEQ TYPE="KEYWORD3">\iff</SEQ>
  2662.             <SEQ TYPE="KEYWORD1">\hss</SEQ>
  2663.             <SEQ TYPE="KEYWORD1">\hom</SEQ>
  2664.             <SEQ TYPE="KEYWORD1">\hat</SEQ>
  2665.             <SEQ TYPE="KEYWORD1">\geq</SEQ>
  2666.             <SEQ TYPE="KEYWORD1">\gcd</SEQ>
  2667.             <SEQ TYPE="KEYWORD4">\fam</SEQ>
  2668.             <SEQ TYPE="KEYWORD1">\exp</SEQ>
  2669.             <SEQ TYPE="KEYWORD2">\eth</SEQ>
  2670.             <SEQ TYPE="KEYWORD1">\eta</SEQ>
  2671.             <SEQ TYPE="KEYWORD1">\end</SEQ>
  2672.             <SEQ TYPE="KEYWORD1">\ell</SEQ>
  2673.             <SEQ TYPE="KEYWORD1">\dot</SEQ>
  2674.             <SEQ TYPE="KEYWORD1">\div</SEQ>
  2675.             <SEQ TYPE="KEYWORD1">\dim</SEQ>
  2676.             <SEQ TYPE="KEYWORD1">\det</SEQ>
  2677.             <SEQ TYPE="KEYWORD1">\deg</SEQ>
  2678.             <SEQ TYPE="FUNCTION">\def</SEQ>
  2679.             <SEQ TYPE="KEYWORD4">\day</SEQ>
  2680.             <SEQ TYPE="KEYWORD1">\dag</SEQ>
  2681.             <SEQ TYPE="KEYWORD1">\cup</SEQ>
  2682.             <SEQ TYPE="KEYWORD1">\csc</SEQ>
  2683.             <SEQ TYPE="KEYWORD1">\cot</SEQ>
  2684.             <SEQ TYPE="KEYWORD1">\cos</SEQ>
  2685.             <SEQ TYPE="KEYWORD1">\chi</SEQ>
  2686.             <SEQ TYPE="KEYWORD1">\cap</SEQ>
  2687.             <SEQ TYPE="KEYWORD1">\cal</SEQ>
  2688.             <SEQ TYPE="KEYWORD1">\bye</SEQ>
  2689.             <SEQ TYPE="COMMENT4">\box</SEQ>
  2690.             <SEQ TYPE="KEYWORD1">\bot</SEQ>
  2691.             <SEQ TYPE="KEYWORD1">\Big</SEQ>
  2692.             <SEQ TYPE="KEYWORD1">\big</SEQ>
  2693.             <SEQ TYPE="KEYWORD1">\bar</SEQ>
  2694.             <SEQ TYPE="KEYWORD1">\ast</SEQ>
  2695.             <SEQ TYPE="KEYWORD1">\arg</SEQ>
  2696.  
  2697.             <!-- Length Three Invisible Character Reference -->
  2698.             <SEQ_REGEXP HASH_CHARS="^" TYPE="KEYWORD2"
  2699.                 >(\u005E|\x5E)(\u005E|\x5E)(\p{ASCII}|\u0000-\u007F)</SEQ_REGEXP>
  2700.  
  2701.             <!-- Arbitrary control sequence of the specified length -->
  2702.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{3}</SEQ_REGEXP>
  2703.  
  2704.         <!-- Two letter control sequences -->
  2705.  
  2706.             <SEQ TYPE="KEYWORD1">\Xi</SEQ>
  2707.             <SEQ TYPE="KEYWORD1">\xi</SEQ>
  2708.             <SEQ TYPE="KEYWORD1">\wr</SEQ>
  2709.             <SEQ TYPE="KEYWORD1">\wp</SEQ>
  2710.             <SEQ TYPE="KEYWORD1">\wd</SEQ>
  2711.             <SEQ TYPE="KEYWORD1">\tt</SEQ>
  2712.             <SEQ TYPE="KEYWORD1">\to</SEQ>
  2713.             <SEQ TYPE="KEYWORD1">\sp</SEQ>
  2714.             <SEQ TYPE="KEYWORD1">\sl</SEQ>
  2715.             <SEQ TYPE="KEYWORD1">\sb</SEQ>
  2716.             <SEQ TYPE="KEYWORD1">\rq</SEQ>
  2717.             <SEQ TYPE="KEYWORD1">\rm</SEQ>
  2718.             <SEQ TYPE="KEYWORD1">\Re</SEQ>
  2719.             <SEQ TYPE="KEYWORD1">\Pr</SEQ>
  2720.             <SEQ TYPE="KEYWORD1">\pm</SEQ>
  2721.             <SEQ TYPE="KEYWORD1">\Pi</SEQ>
  2722.             <SEQ TYPE="KEYWORD1">\pi</SEQ>
  2723.             <SEQ TYPE="KEYWORD3">\or</SEQ>
  2724.             <SEQ TYPE="KEYWORD1">\of</SEQ>
  2725.             <SEQ TYPE="KEYWORD1">\nu</SEQ>
  2726.             <SEQ TYPE="KEYWORD1">\ni</SEQ>
  2727.             <SEQ TYPE="KEYWORD1">\ne</SEQ>
  2728.             <SEQ TYPE="KEYWORD1">\mu</SEQ>
  2729.             <SEQ TYPE="KEYWORD1">\mp</SEQ>
  2730.             <SEQ TYPE="KEYWORD1">\lq</SEQ>
  2731.             <SEQ TYPE="KEYWORD1">\ln</SEQ>
  2732.             <SEQ TYPE="KEYWORD1">\ll</SEQ>
  2733.             <SEQ TYPE="KEYWORD1">\lg</SEQ>
  2734.             <SEQ TYPE="KEYWORD1">\le</SEQ>
  2735.             <SEQ TYPE="KEYWORD1">\it</SEQ>
  2736.             <SEQ TYPE="KEYWORD1">\in</SEQ>
  2737.             <SEQ TYPE="KEYWORD1">\Im</SEQ>
  2738.             <SEQ TYPE="KEYWORD3">\if</SEQ>
  2739.             <SEQ TYPE="KEYWORD1">\ht</SEQ>
  2740.             <SEQ TYPE="KEYWORD1">\gg</SEQ>
  2741.             <SEQ TYPE="KEYWORD1">\ge</SEQ>
  2742.             <SEQ TYPE="KEYWORD3">\fi</SEQ>
  2743.             <SEQ TYPE="KEYWORD1">\dp</SEQ>
  2744.             <SEQ TYPE="KEYWORD1">\do</SEQ>
  2745.             <SEQ TYPE="KEYWORD1">\cr</SEQ>
  2746.             <SEQ TYPE="KEYWORD1">\bf</SEQ>
  2747.  
  2748.             <!-- Accents and Special Characters -->
  2749.             <SEQ TYPE="KEYWORD2">\AE</SEQ>
  2750.             <SEQ TYPE="KEYWORD2">\ae</SEQ>
  2751.             <SEQ TYPE="KEYWORD2">\AA</SEQ>
  2752.             <SEQ TYPE="KEYWORD2">\aa</SEQ>
  2753.             <SEQ TYPE="KEYWORD2">\OE</SEQ>
  2754.             <SEQ TYPE="KEYWORD2">\oe</SEQ>
  2755.             <SEQ TYPE="KEYWORD2">\ss</SEQ>
  2756.  
  2757.             <!-- Arbitrary control sequence of the specified length -->
  2758.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{2}</SEQ_REGEXP>
  2759.  
  2760.         <!-- One letter control sequences -->
  2761.  
  2762.             <SEQ TYPE="KEYWORD1">\S</SEQ>
  2763.             <SEQ TYPE="KEYWORD1">\P</SEQ>
  2764.  
  2765.             <!-- Accents and Special Characters -->
  2766.             <SEQ TYPE="KEYWORD2">\=</SEQ>
  2767.             <SEQ TYPE="KEYWORD2">\'</SEQ>
  2768.             <SEQ TYPE="KEYWORD2">\"</SEQ>
  2769.             <SEQ TYPE="KEYWORD2">\~</SEQ>
  2770.             <SEQ TYPE="KEYWORD2">\`</SEQ>
  2771.             <SEQ TYPE="KEYWORD2">\^</SEQ>
  2772.             <SEQ TYPE="KEYWORD2">\.</SEQ>
  2773.             <SEQ TYPE="KEYWORD2">\H</SEQ>
  2774.             <SEQ TYPE="KEYWORD2">\c</SEQ>
  2775.             <SEQ TYPE="KEYWORD2">\d</SEQ>
  2776.             <SEQ TYPE="KEYWORD2">\b</SEQ>
  2777.             <SEQ TYPE="KEYWORD2">\v</SEQ>
  2778.             <SEQ TYPE="KEYWORD2">\u</SEQ>
  2779.             <SEQ TYPE="KEYWORD2">\t</SEQ>
  2780.             <SEQ TYPE="KEYWORD2">\r</SEQ>
  2781.             <SEQ TYPE="KEYWORD2">\k</SEQ>
  2782.             <SEQ TYPE="KEYWORD2">\O</SEQ>
  2783.             <SEQ TYPE="KEYWORD2">\o</SEQ>
  2784.             <SEQ TYPE="KEYWORD2">\L</SEQ>
  2785.             <SEQ TYPE="KEYWORD2">\l</SEQ>
  2786.             <SEQ TYPE="KEYWORD2">\j</SEQ>
  2787.             <SEQ TYPE="KEYWORD2">\i</SEQ>
  2788.             <SEQ TYPE="KEYWORD1">\?</SEQ>
  2789.             <SEQ TYPE="KEYWORD1">\></SEQ>
  2790.             <SEQ TYPE="KEYWORD1">\<</SEQ>
  2791.             <SEQ TYPE="KEYWORD1">\;</SEQ>
  2792.             <SEQ TYPE="KEYWORD1">\:</SEQ>
  2793.             <SEQ TYPE="KEYWORD1">\/</SEQ>
  2794.             <SEQ TYPE="KEYWORD1">\-</SEQ>
  2795.             <SEQ TYPE="KEYWORD1">\,</SEQ>
  2796.             <SEQ TYPE="KEYWORD1">\+</SEQ>
  2797.             <SEQ TYPE="KEYWORD1">\*</SEQ>
  2798.             <SEQ TYPE="KEYWORD1">\)</SEQ>
  2799.             <SEQ TYPE="KEYWORD1">\(</SEQ>
  2800.             <SEQ TYPE="KEYWORD1">\!</SEQ>
  2801.             <SEQ TYPE="KEYWORD1">\|</SEQ>
  2802.             <SEQ TYPE="KEYWORD1">\\</SEQ>
  2803.  
  2804.             <!-- Reserved Characters -->
  2805.             <SEQ TYPE="KEYWORD2">\#</SEQ>
  2806.             <SEQ TYPE="KEYWORD2">\$</SEQ>
  2807.             <SEQ TYPE="KEYWORD2">\%</SEQ>
  2808.             <SEQ TYPE="KEYWORD2">\&</SEQ>
  2809.             <SEQ TYPE="KEYWORD2">\{</SEQ>
  2810.             <SEQ TYPE="KEYWORD2">\}</SEQ>
  2811.             <SEQ TYPE="KEYWORD2">\_</SEQ>
  2812.  
  2813.             <!-- Length One ASCII Index -->
  2814.             <SEQ_REGEXP HASH_CHARS="`" TYPE="KEYWORD2">`\p{ASCII}</SEQ_REGEXP>
  2815.  
  2816.             <!-- Definition Arguments -->
  2817.             <SEQ_REGEXP HASH_CHARS="#" TYPE="DIGIT">#[1-9]</SEQ_REGEXP>
  2818.  
  2819.             <!-- Arbitrary control sequence of the specified length -->
  2820.             <SEQ_REGEXP HASH_CHARS="\" TYPE="LABEL">\\[a-zA-Z@]{1}</SEQ_REGEXP>
  2821.  
  2822.         <!-- Zero letter control sequences -->
  2823.  
  2824.             <!-- Punctuation -->
  2825.             <SEQ TYPE="LITERAL3">`</SEQ>
  2826.             <SEQ TYPE="LITERAL3">!</SEQ>
  2827.             <SEQ TYPE="LITERAL3">.</SEQ>
  2828.             <SEQ TYPE="LITERAL3">,</SEQ>
  2829.             <SEQ TYPE="LITERAL3">;</SEQ>
  2830.             <SEQ TYPE="LITERAL3">?</SEQ>
  2831.             <SEQ TYPE="LITERAL3">:</SEQ>
  2832.             <SEQ TYPE="LITERAL3">'</SEQ>
  2833.             <SEQ TYPE="LITERAL3">"</SEQ>
  2834.             <SEQ TYPE="LITERAL3">\</SEQ>
  2835.  
  2836.             <!-- Simple Math Characters -->
  2837.             <SEQ TYPE="LITERAL4">(</SEQ>
  2838.             <SEQ TYPE="LITERAL4">)</SEQ>
  2839.             <SEQ TYPE="LITERAL4">=</SEQ>
  2840.             <SEQ TYPE="LITERAL4">+</SEQ>
  2841.             <SEQ TYPE="LITERAL4">-</SEQ>
  2842.             <SEQ TYPE="LITERAL4">></SEQ>
  2843.             <SEQ TYPE="LITERAL4"><</SEQ>
  2844.  
  2845.             <!-- Grouping Brackets -->
  2846.             <SEQ TYPE="OPERATOR">{</SEQ>
  2847.             <SEQ TYPE="OPERATOR">}</SEQ>
  2848.             <SEQ TYPE="OPERATOR">[</SEQ>
  2849.             <SEQ TYPE="OPERATOR">]</SEQ>
  2850.  
  2851.             <!-- Reserved Characters -->
  2852.             <SEQ TYPE="LITERAL1">&</SEQ>
  2853.             <SEQ TYPE="LITERAL1">^</SEQ>
  2854.             <SEQ TYPE="LITERAL1">_</SEQ>
  2855.             <SEQ TYPE="LITERAL1">~</SEQ>
  2856.  
  2857.             <!-- Dimensions -->
  2858.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2859.                     >(\d+?\.\d*pt|\d*\.\d+?pt|\d*pt)</SEQ_REGEXP>
  2860.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2861.                     >(\d+?\.\d*pc|\d*\.\d+?pc|\d*pc)</SEQ_REGEXP>
  2862.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2863.                     >(\d+?\.\d*in|\d*\.\d+?in|\d*in)</SEQ_REGEXP>
  2864.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2865.                     >(\d+?\.\d*bp|\d*\.\d+?bp|\d*bp)</SEQ_REGEXP>
  2866.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2867.                     >(\d+?\.\d*cm|\d*\.\d+?cm|\d*cm)</SEQ_REGEXP>
  2868.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2869.                     >(\d+?\.\d*mm|\d*\.\d+?mm|\d*mm)</SEQ_REGEXP>
  2870.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2871.                     >(\d+?\.\d*dd|\d*\.\d+?dd|\d*dd)</SEQ_REGEXP>
  2872.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2873.                     >(\d+?\.\d*cc|\d*\.\d+?cc|\d*cc)</SEQ_REGEXP>
  2874.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2875.                     >(\d+?\.\d*sp|\d*\.\d+?sp|\d*sp)</SEQ_REGEXP>
  2876.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2877.                     >(\d+?\.\d*ex|\d*\.\d+?ex|\d*ex)</SEQ_REGEXP>
  2878.             <SEQ_REGEXP HASH_CHARS="0123456789." TYPE="LITERAL2"
  2879.                     >(\d+?\.\d*em|\d*\.\d+?em|\d*em)</SEQ_REGEXP>
  2880.  
  2881.     </RULES>
  2882.  
  2883. </MODE>
  2884.  
  2885.  
  2886.  
  2887.