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-rw-r--r--discover/grub2/grub2-lexer.l3
1 files changed, 2 insertions, 1 deletions
diff --git a/discover/grub2/grub2-lexer.l b/discover/grub2/grub2-lexer.l
index 81dc5fe..b55a715 100644
--- a/discover/grub2/grub2-lexer.l
+++ b/discover/grub2/grub2-lexer.l
@@ -24,7 +24,8 @@ void yyerror(struct grub2_parser *parser, const char *fmt, ...);
WORD [^{}|&$;<> \t\n'"#]+
DELIM [ \t]+
BLANK ["]{2}|[']{2}
-VARNAME ([[:alpha:]][_[:alnum:]]*|[0-9]|[\?@\*#])
+NUMBER 0|[1-9][0-9]*
+VARNAME ([[:alpha:]][_[:alnum:]]*|{NUMBER}|[\?@\*#])
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