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###############################################################################
# BRLTTY - A background process providing access to the console screen (when in
# text mode) for a blind person using a refreshable braille display.
#
# Copyright (C) 1995-2008 by The BRLTTY Developers.
#
# BRLTTY comes with ABSOLUTELY NO WARRANTY.
#
# This is free software, placed under the terms of the
# GNU General Public License, as published by the Free Software
# Foundation. Please see the file COPYING for details.
#
# Web Page: http://mielke.cc/brltty/
#
# This software is maintained by Dave Mielke <dave@mielke.cc>.
###############################################################################
########################################################################
# BRLTTY Text Translation Table - North American Braille Computer Code #
########################################################################
# This is a description of the default text translation table used by BRLTTY.
# It's based on the North American Braille Computer Code, but defines the full
# Latin1 (ISO-8859-1) character set.
# The 95 printable characters of the standard 7-bit US-ASCII character set
# (32-126) are identical to their representations within the North American
# Braille Computer Code (these are the only characters which the NABCC actually
# defines). Characters from literary braille, symbols from The Nemeth Braille
# Code for Mathematics and Science Notation, and a bit of human imagination
# have all been combined to create an easy-to-remember, one-to-one mapping
# between each character and its braille counterpart. All possible combinations
# involving only the original 6 braille dots are used, but that only allows for
# 64 out of the required 95 character representations. The presence or absence
# of dot 7 is used to differentiate between pairs of characters which either
# are very closely related in meaning or, in a few cases where a more intuitive
# reason couldn't be found, have a very close logical relationship within the
# US-ASCII code. Dot 8 isn't used at all.
# The space and the 26 lowercase letters (a-z) are the same as in literary
# braille:
#Hex Dots Dec Char Description
\X20 ( ) # 32 space
\X61 (1 ) # 97 a latin small letter a
\X62 (12 ) # 98 b latin small letter b
\X63 (1 4 ) # 99 c latin small letter c
\X64 (1 45 ) # 100 d latin small letter d
\X65 (1 5 ) # 101 e latin small letter e
\X66 (12 4 ) # 102 f latin small letter f
\X67 (12 45 ) # 103 g latin small letter g
\X68 (12 5 ) # 104 h latin small letter h
\X69 ( 2 4 ) # 105 i latin small letter i
\X6A ( 2 45 ) # 106 j latin small letter j
\X6B (1 3 ) # 107 k latin small letter k
\X6C (123 ) # 108 l latin small letter l
\X6D (1 34 ) # 109 m latin small letter m
\X6E (1 345 ) # 110 n latin small letter n
\X6F (1 3 5 ) # 111 o latin small letter o
\X70 (1234 ) # 112 p latin small letter p
\X71 (12345 ) # 113 q latin small letter q
\X72 (123 5 ) # 114 r latin small letter r
\X73 ( 234 ) # 115 s latin small letter s
\X74 ( 2345 ) # 116 t latin small letter t
\X75 (1 3 6 ) # 117 u latin small letter u
\X76 (123 6 ) # 118 v latin small letter v
\X77 ( 2 456 ) # 119 w latin small letter w
\X78 (1 34 6 ) # 120 x latin small letter x
\X79 (1 3456 ) # 121 y latin small letter y
\X7A (1 3 56 ) # 122 z latin small letter z
# The 26 uppercase letters (A-Z) are the same as their lowercase counterparts
# except that dot 7 is added:
#Hex Dots Dec Char Description
\X41 (1 7 ) # 65 A latin capital letter a
\X42 (12 7 ) # 66 B latin capital letter b
\X43 (1 4 7 ) # 67 C latin capital letter c
\X44 (1 45 7 ) # 68 D latin capital letter d
\X45 (1 5 7 ) # 69 E latin capital letter e
\X46 (12 4 7 ) # 70 F latin capital letter f
\X47 (12 45 7 ) # 71 G latin capital letter g
\X48 (12 5 7 ) # 72 H latin capital letter h
\X49 ( 2 4 7 ) # 73 I latin capital letter i
\X4A ( 2 45 7 ) # 74 J latin capital letter j
\X4B (1 3 7 ) # 75 K latin capital letter k
\X4C (123 7 ) # 76 L latin capital letter l
\X4D (1 34 7 ) # 77 M latin capital letter m
\X4E (1 345 7 ) # 78 N latin capital letter n
\X4F (1 3 5 7 ) # 79 O latin capital letter o
\X50 (1234 7 ) # 80 P latin capital letter p
\X51 (12345 7 ) # 81 Q latin capital letter q
\X52 (123 5 7 ) # 82 R latin capital letter r
\X53 ( 234 7 ) # 83 S latin capital letter s
\X54 ( 2345 7 ) # 84 T latin capital letter t
\X55 (1 3 67 ) # 85 U latin capital letter u
\X56 (123 67 ) # 86 V latin capital letter v
\X57 ( 2 4567 ) # 87 W latin capital letter w
\X58 (1 34 67 ) # 88 X latin capital letter x
\X59 (1 34567 ) # 89 Y latin capital letter y
\X5A (1 3 567 ) # 90 Z latin capital letter z
# The 10 decimal digits (0-9) are the same as in the Nemeth Code:
#Hex Dots Dec Char Description
\X30 ( 3 56 ) # 48 0 digit zero
\X31 ( 2 ) # 49 1 digit one
\X32 ( 23 ) # 50 2 digit two
\X33 ( 2 5 ) # 51 3 digit three
\X34 ( 2 56 ) # 52 4 digit four
\X35 ( 2 6 ) # 53 5 digit five
\X36 ( 23 5 ) # 54 6 digit six
\X37 ( 23 56 ) # 55 7 digit seven
\X38 ( 23 6 ) # 56 8 digit eight
\X39 ( 3 5 ) # 57 9 digit nine
# Common symbols used within mathematical expressions by popular computer
# programming languages are the same as in the Nemeth Code:
#Hex Dots Dec Char Description
\X2E ( 4 6 ) # 46 . full stop
\X2B ( 34 6 ) # 43 + plus sign
\X2D ( 3 6 ) # 45 - hyphen-minus
\X2A (1 6 ) # 42 * asterisk
\X2F ( 34 ) # 47 / solidus
\X28 (123 56 ) # 40 ( left parenthesis
\X29 ( 23456 ) # 41 ) right parenthesis
# With all of these major considerations having been taken into account,
# convenient representations were still available, and are used, for some of
# the remaining characters:
#Hex Dots Dec Char Description
\X26 (1234 6 ) # 38 & ampersand
\X23 ( 3456 ) # 35 # number sign
# The remaining characters are what they are. Dot 7 isn't used either within
# the number block (32-63) or, with the exception of the DEL control character
# (127), within the lowercase block (96-127). With the exception of the
# underscore (95), dot 7 is used for every character within the uppercase block
# (64-95). Adding dot 7 to any character within the lowercase block (96-127)
# yields its corresponding character within the uppercase block (64-95) except
# that removing dot 7 from the DEL control character yields the underscore.
#Hex Dots Dec Char Description
\X2C ( 6 ) # 44 , comma
\X3B ( 56 ) # 59 ; semicolon
\X3A (1 56 ) # 58 : colon
\X21 ( 234 6 ) # 33 ! exclamation mark
\X3F (1 456 ) # 63 ? question mark
\X22 ( 5 ) # 34 " quotation mark
\X27 ( 3 ) # 39 ' apostrophe
\X60 ( 4 ) # 96 ` grave accent
\X5E ( 45 7 ) # 94 ^ circumflex accent
\X7E ( 45 ) # 126 ~ tilde
\X5B ( 2 4 67 ) # 91 [ left square bracket
\X5D (12 4567 ) # 93 ] right square bracket
\X7B ( 2 4 6 ) # 123 { left curly bracket
\X7D (12 456 ) # 125 } right curly bracket
\X3D (123456 ) # 61 = equals sign
\X3C (12 6 ) # 60 < less-than sign
\X3E ( 345 ) # 62 > greater-than sign
\X24 (12 4 6 ) # 36 $ dollar sign
\X25 (1 4 6 ) # 37 % percent sign
\X40 ( 4 7 ) # 64 @ commercial at
\X7C (12 56 ) # 124 | vertical line
\X5C (12 567 ) # 92 \ reverse solidus
\X5F ( 456 ) # 95 _ low line
# Each of the characters within the basic control character block (0-31) is the
# same as its corresponding character within both the uppercase block (64-95)
# and the lowercase block (96-127) except that dots 7 and 8 are both used.
#Hex Dots Dec Char Description
\X00 ( 4 78) # 0 ^@ null
\X01 (1 78) # 1 ^A start of heading
\X02 (12 78) # 2 ^B start of text
\X03 (1 4 78) # 3 ^C end of text
\X04 (1 45 78) # 4 ^D end of transmission
\X05 (1 5 78) # 5 ^E enquiry
\X06 (12 4 78) # 6 ^F acknowledge
\X07 (12 45 78) # 7 ^G bell
\X08 (12 5 78) # 8 ^H backspace
\X09 ( 2 4 78) # 9 ^I horizontal tabulation
\X0A ( 2 45 78) # 10 ^J line feed
\X0B (1 3 78) # 11 ^K vertical tabulation
\X0C (123 78) # 12 ^L form feed
\X0D (1 34 78) # 13 ^M carriage return
\X0E (1 345 78) # 14 ^N shift out
\X0F (1 3 5 78) # 15 ^O shift in
\X10 (1234 78) # 16 ^P data link escape
\X11 (12345 78) # 17 ^Q device control one
\X12 (123 5 78) # 18 ^R device control two
\X13 ( 234 78) # 19 ^S device control three
\X14 ( 2345 78) # 20 ^T device control four
\X15 (1 3 678) # 21 ^U negative acknowledge
\X16 (123 678) # 22 ^V synchronous idle
\X17 ( 2 45678) # 23 ^W end of transmission block
\X18 (1 34 678) # 24 ^X cancel
\X19 (1 345678) # 25 ^Y end of medium
\X1A (1 3 5678) # 26 ^Z substitute
\X1B ( 2 4 678) # 27 ^[ escape
\X1C (12 5678) # 28 ^\ file separator
\X1D (12 45678) # 29 ^] group separator
\X1E ( 45 78) # 30 ^^ record separator
\X1F ( 45678) # 31 ^_ unit separator
# Each of the characters within the extended control character block (128-159)
# is the same as its corresponding character within the basic control character
# block (0-31) except that only dot 8 is used.
#Hex Dots Dec Char Description
\X80 ( 4 8) # 128 ~@ <control>
\X81 (1 8) # 129 ~A <control>
\X82 (12 8) # 130 ~B break permitted here
\X83 (1 4 8) # 131 ~C no break here
\X84 (1 45 8) # 132 ~D <control>
\X85 (1 5 8) # 133 ~E next line
\X86 (12 4 8) # 134 ~F start of selected area
\X87 (12 45 8) # 135 ~G end of selected area
\X88 (12 5 8) # 136 ~H character tabulation set
\X89 ( 2 4 8) # 137 ~I character tabulation with justification
\X8A ( 2 45 8) # 138 ~J line tabulation set
\X8B (1 3 8) # 139 ~K partial line down
\X8C (123 8) # 140 ~L partial line up
\X8D (1 34 8) # 141 ~M reverse line feed
\X8E (1 345 8) # 142 ~N single shift two
\X8F (1 3 5 8) # 143 ~O single shift three
\X90 (1234 8) # 144 ~P device control string
\X91 (12345 8) # 145 ~Q private use one
\X92 (123 5 8) # 146 ~R private use two
\X93 ( 234 8) # 147 ~S set transmit state
\X94 ( 2345 8) # 148 ~T cancel character
\X95 (1 3 6 8) # 149 ~U message waiting
\X96 (123 6 8) # 150 ~V start of guarded area
\X97 ( 2 456 8) # 151 ~W end of guarded area
\X98 (1 34 6 8) # 152 ~X start of string
\X99 (1 3456 8) # 153 ~Y <control>
\X9A (1 3 56 8) # 154 ~Z single character introducer
\X9B ( 2 4 6 8) # 155 ~[ control sequence introducer
\X9C (12 56 8) # 156 ~\ string terminator
\X9D (12 456 8) # 157 ~] operating system command
\X9E ( 45 8) # 158 ~^ privacy message
\X9F ( 456 8) # 159 ~_ application program command
# Representations for the uppercase accented letters are drawn from the
# remaining combinations which use both dots 7 and 8. The representation for a
# lowercase accented letter is the same as its uppercase counterpart except
# that dot 7 isn't used. This scheme retains the use of dot 7 as the modifier
# for a capitalized letter. The only exception to these rules is that, due to
# the nature of the Latin1 character set, the German lowercase double-s is
# treated as though it were an uppercase y-dieresis (neither has an uppercase
# definition). These representations have been gathered, as much as possible,
# into logical groupings.
# The 5 letters with a circumflex accent (^) use the [1-5] dot combinations:
#Hex Dots Dec Char Description
\XC2 ( 2 78) # 194 ┬ latin capital letter a with circumflex
\XCA ( 23 78) # 202 ╩ latin capital letter e with circumflex
\XCE ( 2 5 78) # 206 ╬ latin capital letter i with circumflex
\XD4 ( 2 5678) # 212 ╘ latin capital letter o with circumflex
\XDB ( 2 678) # 219 █ latin capital letter u with circumflex
\XE2 ( 2 8) # 226 Γ latin small letter a with circumflex
\XEA ( 23 8) # 234 Ω latin small letter e with circumflex
\XEE ( 2 5 8) # 238 ε latin small letter i with circumflex
\XF4 ( 2 56 8) # 244 ⌠ latin small letter o with circumflex
\XFB ( 2 6 8) # 251 √ latin small letter u with circumflex
# The 5 letters with a grave accent (`) use the [6-0] dot combinations:
#Hex Dots Dec Char Description
\XC0 ( 23 5 78) # 192 └ latin capital letter a with grave
\XC8 ( 23 5678) # 200 ╚ latin capital letter e with grave
\XCC ( 23 678) # 204 ╠ latin capital letter i with grave
\XD2 ( 3 5 78) # 210 ╥ latin capital letter o with grave
\XD9 ( 3 5678) # 217 ┘ latin capital letter u with grave
\XE0 ( 23 5 8) # 224 α latin small letter a with grave
\XE8 ( 23 56 8) # 232 Φ latin small letter e with grave
\XEC ( 23 6 8) # 236 ∞ latin small letter i with grave
\XF2 ( 3 5 8) # 242 ≥ latin small letter o with grave
\XF9 ( 3 56 8) # 249 ∙ latin small letter u with grave
# The 6 letters with an acute accent (') use the [a-f] dot combinations with
# dots 3 and 6 added:
#Hex Dots Dec Char Description
\XC1 (1 678) # 193 ┴ latin capital letter a with acute
\XC9 (12 678) # 201 ╔ latin capital letter e with acute
\XCD (1 4 678) # 205 ═ latin capital letter i with acute
\XD3 (1 45678) # 211 ╙ latin capital letter o with acute
\XDA (1 5678) # 218 ┌ latin capital letter u with acute
\XDD (12 4 678) # 221 ▌ latin capital letter y with acute
\XE1 (1 6 8) # 225 ß latin small letter a with acute
\XE9 (12 6 8) # 233 Θ latin small letter e with acute
\XED (1 4 6 8) # 237 φ latin small letter i with acute
\XF3 (1 456 8) # 243 ≤ latin small letter o with acute
\XFA (1 56 8) # 250 · latin small letter u with acute
\XFD (12 4 6 8) # 253 ² latin small letter y with acute
# The 6 letters with a dieresis accent (") use the [f-j] dot combinations with
# dots 3 and 6 added, and the number sign (because it fits the sequence
# reasonably well):
#Hex Dots Dec Char Description
\XC4 (1234 678) # 196 ─ latin capital letter a with diaeresis
\XCB (12345678) # 203 ╦ latin capital letter e with diaeresis
\XCF (123 5678) # 207 ╧ latin capital letter i with diaeresis
\XD6 ( 234 678) # 214 ╓ latin capital letter o with diaeresis
\XDC ( 2345678) # 220 ▄ latin capital letter u with diaeresis
\XE4 (1234 6 8) # 228 Σ latin small letter a with diaeresis
\XEB (123456 8) # 235 δ latin small letter e with diaeresis
\XEF (123 56 8) # 239 ∩ latin small letter i with diaeresis
\XF6 ( 234 6 8) # 246 ÷ latin small letter o with diaeresis
\XFC ( 23456 8) # 252 ⁿ latin small letter u with diaeresis
\XFF ( 3456 8) # 255 latin small letter y with diaeresis
# There is no uppercase y-dieresis in the Latin1 character set. The German
# lowercase double-s, which also doesn't have an uppercase counterpart in the
# Latin1 character set, uses its representation:
#Hex Dots Dec Char Description
\XDF ( 345678) # 223 ▀ latin small letter sharp s
# The remaining accented letters are:
#Hex Dots Dec Char Description
\XC3 ( 5 78) # 195 ├ latin capital letter a with tilde
\XD1 ( 4 678) # 209 ╤ latin capital letter n with tilde
\XD5 ( 5678) # 213 ╒ latin capital letter o with tilde
\XC5 ( 345 78) # 197 ┼ latin capital letter a with ring above
\XC7 ( 34 678) # 199 ╟ latin capital letter c with cedilla
\XD8 ( 34 78) # 216 ╪ latin capital letter o with stroke
\XC6 ( 3 78) # 198 ╞ latin capital letter ae
\XD0 ( 678) # 208 ╨ latin capital letter eth
\XDE ( 3 678) # 222 ▐ latin capital letter thorn
\XE3 ( 5 8) # 227 π latin small letter a with tilde
\XF1 ( 4 6 8) # 241 ± latin small letter n with tilde
\XF5 ( 56 8) # 245 ⌡ latin small letter o with tilde
\XE5 ( 345 8) # 229 σ latin small letter a with ring above
\XE7 ( 34 6 8) # 231 τ latin small letter c with cedilla
\XF8 ( 34 8) # 248 ° latin small letter o with stroke
\XE6 ( 3 8) # 230 µ latin small letter ae
\XF0 ( 6 8) # 240 ≡ latin small letter eth
\XFE ( 3 6 8) # 254 ■ latin small letter thorn
# Some characters are the same as other characters which they resemble but with
# dot 7 added:
#Hex Dots Dec Char Description
\XAD ( 3 67 ) # 173 ¡ soft hyphen
\XAB (12 67 ) # 171 ½ left-pointing double angle quotation mark
\XBB ( 345 7 ) # 187 ╗ right-pointing double angle quotation mark
\XA6 (1 567 ) # 166 ª broken bar
\XB9 ( 2 7 ) # 185 ╣ superscript one
\XB2 ( 23 7 ) # 178 ▓ superscript two
\XB3 ( 2 5 7 ) # 179 │ superscript three
\XB1 ( 34 67 ) # 177 ▒ plus-minus sign
\XD7 (1 67 ) # 215 ╫ multiplication sign
\XF7 ( 34 7 ) # 247 ≈ division sign
\XB7 ( 4 67 ) # 183 ╖ middle dot
\XA1 ( 234 67 ) # 161 í inverted exclamation mark
\XBF (1 4567 ) # 191 ┐ inverted question mark
\XA2 (12 4 67 ) # 162 ó cent sign
\XA3 ( 34567 ) # 163 ú pound sign
# A few more characters follow this same convention but their relationships
# to their base characters is a bit obscure:
#Hex Dots Dec Char Description
\XA4 (1 4 67 ) # 164 ñ currency sign
\XA5 (1234 67 ) # 165 Ñ yen sign
# Some characters are represented by the first letters of their names lowered
# by one row of dots:
#Hex Dots Dec Char Description
\XAC ( 2 567 ) # 172 ¼ not sign
\XB6 ( 23 5 7 ) # 182 ╢ pilcrow sign
\XA9 ( 23 567 ) # 169 ⌐ copyright sign
\XAE ( 23 67 ) # 174 « registered sign
\XA7 ( 3 5 7 ) # 167 º section sign
\XB0 ( 3 567 ) # 176 ░ degree sign
# The three fraction characters use combinations of dots 1 and 4 (which
# progress from left to right as the value of the fraction increases) together
# with dots 2,3,5,6,7:
#Hex Dots Dec Char Description
\XBC (123 567 ) # 188 ╝ vulgar fraction one quarter
\XBD (1234567 ) # 189 ╜ vulgar fraction one half
\XBE ( 234567 ) # 190 ╛ vulgar fraction three quarters
# Each of the three extended accent characters is the same as its conventional
# compose character but with dot 7 added:
#Hex Dots Dec Char Description
\XB4 ( 3 7 ) # 180 ┤ acute accent
\XB8 ( 67 ) # 184 ╕ cedilla
\XA8 ( 5 7 ) # 168 ¿ diaeresis
# The two gender symbols are:
#Hex Dots Dec Char Description
\XBA ( 7 ) # 186 ║ masculine ordinal indicator
\XAA ( 8) # 170 ¬ feminine ordinal indicator
# The three remaining characters are:
#Hex Dots Dec Char Description
\XAF ( 2 67 ) # 175 » macron
\XB5 ( 567 ) # 181 ╡ micro sign
\XA0 ( 78) # 160 ~ no-break space
# The nonbreaking space is dots 7 and 8 because this presents a sequence of
# nonbreaking spaces as a smooth low line segment.
#Hex Dots Dec Char Description
\X7F ( 4567 ) # 127 ^? delete