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authorEli Bendersky <eliben@gmail.com>2011-11-13 23:18:24 (GMT)
committerEli Bendersky <eliben@gmail.com>2011-11-13 23:18:24 (GMT)
commit84b48a6c46ce7720a23d92f4d64961812d00ce1b (patch)
treed24219c304fe4991ad14ea2cb9d1c7fb798c76d5
parent3e623243d56ca80c31ed2d3ae1f0b750c0e072aa (diff)
parent0e79b7e92cf0d2606e17cb96a60c751c5b837604 (diff)
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Clarify the existence of the <> operator in Grammar/Grammar with a comment. Closes issue 13239
-rw-r--r--Grammar/Grammar2
1 files changed, 2 insertions, 0 deletions
diff --git a/Grammar/Grammar b/Grammar/Grammar
index 89f4c36..cea68de 100644
--- a/Grammar/Grammar
+++ b/Grammar/Grammar
@@ -88,6 +88,8 @@ or_test: and_test ('or' and_test)*
and_test: not_test ('and' not_test)*
not_test: 'not' not_test | comparison
comparison: expr (comp_op expr)*
+# <> isn't actually a valid comparison operator in Python. It's here for the
+# sake of a __future__ import described in PEP 401
comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
star_expr: '*' expr
expr: xor_expr ('|' xor_expr)*