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+; SILex - Scheme Implementation of Lex
+; Copyright (C) 2001 Danny Dube'
+;
+; This program is free software; you can redistribute it and/or
+; modify it under the terms of the GNU General Public License
+; as published by the Free Software Foundation; either version 2
+; of the License, or (at your option) any later version.
+;
+; This program is distributed in the hope that it will be useful,
+; but WITHOUT ANY WARRANTY; without even the implied warranty of
+; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+; GNU General Public License for more details.
+;
+; You should have received a copy of the GNU General Public License
+; along with this program; if not, write to the Free Software
+; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+space " "
+tab " "
+comment ";".*
+hblank {space}|{tab}|{comment}
+vblank "\n"
+
+digit [0123456789]
+letter [abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]
+specini "!"|"$"|"%"|"&"|"*"|"/"|":"|"<"|"="|">"|"?"|"~"|"_"|"^"
+specsub "."|"+"|"-"
+initial {letter}|{specini}
+subseq {letter}|{digit}|{specini}|{specsub}
+peculid "+"|"-"|"..."
+id {initial}{subseq}*|{peculid}
+
+%%
+
+{hblank} (make-tok hblank-tok yytext yyline yycolumn)
+{vblank} (make-tok vblank-tok yytext yyline yycolumn)
+"%%" (make-tok percent-percent-tok yytext yyline yycolumn)
+{id} (parse-id yytext yyline yycolumn)
+[^] (make-tok illegal-tok yytext yyline yycolumn)
+<<EOF>> (make-tok eof-tok yytext yyline yycolumn)