: $Id: m4.key,v 1.3 1999/05/08 12:21:58 tom Exp $ : m4 actually uses '`' and '\'' characters by default for quoting. However, I : use it mostly as part of autoconf, where the quoting is changed to square : brackets to make it simpler to use with Bourne shell scripts. Comment these : out, or customize as needed -- the filter does not do the library file : searches that are required to do this exactly right. .class LeftQuote:'[' .class RightQuote:']' : These are the keywords recognized by GNU m4. A few are actually only : recognized when they are followed by parameters in parentheses, but that's : too specialized. __file__ __line__ builtin changecom changequote changeword debugfile debugmode decr define defn divnum dumpdef esyscmd eval format ifdef ifelse include incr index indir len m4wrap maketemp patsubst popdef pushdef regexp shift sinclude substr syscmd traceoff traceon translit undefine undivert