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-rw-r--r--hcid/lexer.l2
1 files changed, 2 insertions, 0 deletions
diff --git a/hcid/lexer.l b/hcid/lexer.l
index f4559494..7d9d6ada 100644
--- a/hcid/lexer.l
+++ b/hcid/lexer.l
@@ -51,6 +51,8 @@ int yyerror(char *str);
%}
+%option nounput
+
hex 0x[0-9a-zA-Z]+
num [0-9]+
kword [A-Za-z0-9\_\-]+