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diff --git a/plug-ins/imagemap/imap_cern.l b/plug-ins/imagemap/imap_cern.l
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+%{
+/*
+ * This is a plug-in for GIMP.
+ *
+ * Generates clickable image maps.
+ *
+ * Copyright (C) 1998-1999 Maurits Rijk lpeek.mrijk@consunet.nl
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <string.h>
+
+#include <glib.h>
+
+#include "imap_cern_parse.h"
+
+#ifdef FLEX_SCANNER
+#define YY_NO_UNPUT
+#endif /* FLEX_SCANNER */
+
+%}
+
+%option noyywrap
+%option noinput
+%option nounput
+
+DIGIT [0-9]
+ID [a-zA-Z_][a-zA-Z0-9_\-]*
+WS [ \t\n]+
+
+%x comment
+
+%%
+
+RECT{WS}\(4096,4096\){WS}\(4096,4096\).*#\$AUTHOR: {
+ BEGIN(comment);
+ return AUTHOR;
+ }
+
+RECT{WS}\(4096,4096\){WS}\(4096,4096\).*#\$DESCRIPTION: {
+ BEGIN(comment);
+ return DESCRIPTION;
+ }
+
+RECT{WS}\(4096,4096\){WS}\(4096,4096\) {
+ BEGIN(comment);
+ return BEGIN_COMMENT;
+ }
+
+<comment>.*$ {
+ BEGIN(INITIAL);
+ cern_lval.id = g_strndup (yytext, yyleng);
+ return COMMENT;
+ }
+
+RECT return RECTANGLE;
+
+CIRC return CIRCLE;
+
+POLY return POLYGON;
+
+DEFAULT return DEFAULT;
+
+[^ ,\t\n]+$ {
+ cern_lval.id = g_strndup (yytext, yyleng);
+ return LINK;
+ }
+
+-?{DIGIT}*"."?{DIGIT}*([Ee][-+]?{DIGIT}*)? {
+ cern_lval.value = g_ascii_strtod (yytext, NULL);
+ return FLOAT;
+ }
+
+{WS} ; /* Eat white space */
+
+. return *yytext;
+
+%%
+
+