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-rw-r--r--pygments/lexers/ml.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/pygments/lexers/ml.py b/pygments/lexers/ml.py
index 4f10edd0..0bff9816 100644
--- a/pygments/lexers/ml.py
+++ b/pygments/lexers/ml.py
@@ -5,7 +5,7 @@
Lexers for ML family languages.
- :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
+ :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
@@ -43,7 +43,7 @@ class SMLLexer(RegexLexer):
symbolicid_reserved = set((
# Core
- ':', '\|', '=', '=>', '->', '#',
+ ':', r'\|', '=', '=>', '->', '#',
# Modules
':>',
))