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-rw-r--r--sqlparse/engine/grouping.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sqlparse/engine/grouping.py b/sqlparse/engine/grouping.py
index e8e9dc3..91bb3d9 100644
--- a/sqlparse/engine/grouping.py
+++ b/sqlparse/engine/grouping.py
@@ -42,6 +42,8 @@ def _group_left_right(tlist, m, cls,
def _group_matching(tlist, cls):
"""Groups Tokens that have beginning and end."""
+ [_group_matching(sgroup, cls) for sgroup in tlist.get_sublists()
+ if not isinstance(sgroup, cls)]
idx = 1 if isinstance(tlist, cls) else 0
token = tlist.token_next_by(m=cls.M_OPEN, idx=idx)