diff -ru xtexcad-2.4.1.orig/yyscan.l xtexcad-2.4.1/yyscan.l
--- xtexcad-2.4.1.orig/yyscan.l	2005-11-19 21:13:53 +0200
+++ xtexcad-2.4.1/yyscan.l	2005-11-19 21:19:01 +0200
@@ -82,7 +82,7 @@
 
 {white}+		{ /* ignore */ }
 "%".*\n			{ /* ignore LaTeX comments */ ++lineno; }
-\n			{ ++lineno; }
+\r?\n			{ ++lineno; }
 
 <INITIAL>\\unitlength=			|
 <INITIAL>\\setlength\{\\unitlength\}	{ getUnitLen = TRUE; }