twhy bother? - plan9port - [fork] Plan 9 from user space
 (HTM) git clone git://src.adamsgaard.dk/plan9port
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       ---
 (DIR) commit b8e710da0bbc3e7d1ff992b1ceff4cb1c67149c8
 (DIR) parent 669a062b5ac041312f6b9371b665f9c1e2b93799
 (HTM) Author: rsc <devnull@localhost>
       Date:   Sun, 30 Jan 2005 16:48:14 +0000
       
       why bother?
       
       Diffstat:
         M src/cmd/delatex.lx                  |      14 +++++++++++++-
       
       1 file changed, 13 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/src/cmd/delatex.lx b/src/cmd/delatex.lx
       t@@ -1,9 +1,10 @@
        /* Make this with:  lex delatex.lex;  cc lex.yy.c -ll -o delatex */
        L [A-Za-z]
       -%Start Display Math Normal Tag
       +%Start Display Math Normal Tag VerbPlus Bracket
        %%
        <Normal>\'        {yyleng--; yymore(); /* ignore apostrophes */}
        <Normal>{L}+\\- {yyleng-=2; yymore(); /* ignore hyphens */}
       +<Normal>[a-zA-Z0-9_]+@[a-zA-Z0-9_.]+        ;        /* ignore email addresses */
        <Normal>[a-z]/[^A-Za-z] ; /* ignore single letter "words" */
        <Normal>[A-Z]+        ; /* ignore words all in uppercase */
        <Normal>{L}+('{L}*)*{L}        {printf("%s\n",yytext); /* any other letter seq is a word */} 
       t@@ -21,8 +22,19 @@ L [A-Za-z]
        <Normal>"\\label{"        BEGIN Tag;
        <Normal>"\\pageref{"        BEGIN Tag;
        <Normal>"\\ref{"                BEGIN Tag;
       +<Normal>"\\verb+"        BEGIN VerbPlus;
       +<Normal>"\\documentclass["        BEGIN Bracket;
       +<Normal>"\\documentclass{"        BEGIN Tag;
       +<Normal>"\\usepackage["        BEGIN Bracket;
       +<Normal>"\\usepackage{"        BEGIN Tag;
       +<Bracket>[^\]]        ;
       +<Bracket>"]["        ;
       +<Bracket>"]{"        BEGIN Tag;
       +<Bracket>"]"        BEGIN Normal;
        <Tag>[^}]                ; /* ignore things up to next "}" */
        <Tag>"}"                BEGIN Normal;
       +<VerbPlus>[^+]        ;        /* ignore thing up to next "+" */
       +<VerbPlus>"+"        BEGIN Normal;
        <Normal>[0-9]+        ; /* ignore numbers */
        <Normal>"\\("                BEGIN Math; /* begin latex math mode */
        <Math>"\\)"                BEGIN Normal; /* end latex math mode */