Utilities

|@| num

Converts num into a single hex digit if in range 0≤{\meta {num}} < 16. Completely expandable and thus can be used to construct longer hex numbers in an emergency.

Example: \xdef\yen{\noexpand\mathhexbox\hexnumber@\symAMSa 55 }

|@warn@break|

This command is used within warning messages generated by {\sf NFSS} and is defined to produce a new line beginning with the string ``|NFSS|'' (plus a suitable number of spaces) which means that it is fairly easy to extract all {\sf NFSS} related messages from the transcript file. If this is not desired one can redefine it to be less conspicuous, e.g.,

Example: \def\f@warn@break{^^J\@spaces\@spaces\@spaces}