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function to parse isolated label
[perl5.git] / parser.h
index f4054d5..e2769a7 100644 (file)
--- a/parser.h
+++ b/parser.h
@@ -112,6 +112,9 @@ typedef struct yy_parser {
 #define LEX_STUFF_UTF8         0x00000001
 #define LEX_KEEP_PREVIOUS      0x00000002
 
+/* flags for parser API */
+#define PARSE_OPTIONAL          0x00000001
+
 /*
  * Local variables:
  * c-indentation-style: bsd