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-rw-r--r--Source/Grammar.pp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/Grammar.pp b/Source/Grammar.pp
index a0e4108..4176085 100644
--- a/Source/Grammar.pp
+++ b/Source/Grammar.pp
@@ -165,7 +165,7 @@ quantifier:
::negative_class_:: #negativeclass
| ::class_::
)
- ( range() | literal() )+
+ ( <class_> | range() | literal() )+ <range>?
::_class::
#range: