1 files changed, 2 insertions, 1 deletions
diff --git a/parser.h b/parser.h
index 50784567..5d286923 100644
--- a/parser.h
+++ b/parser.h
@@ -67,6 +67,7 @@ struct dstack {
 #define DOLBRACE_OP	0x02
 #define DOLBRACE_WORD	0x04
 
-#define DOLBRACE_QUOTE	0x40
+#define DOLBRACE_QUOTE	0x40	/* single quote is special in double quotes */
+#define DOLBRACE_QUOTE2	0x80	/* single quote is semi-special in double quotes */
 
 #endif /* _PARSER_H_ */