From f1c080e184dc1bbc36eaa7cd729ff3a499de568a Mon Sep 17 00:00:00 2001
From: "Matth?us G. Chajdas" <dev@anteru.net>
Date: Mon, 22 Jul 2019 19:01:51 +0200
Subject: Fix remaining issues with ShExC parser.

---
 pygments/lexers/rdf.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pygments/lexers/rdf.py b/pygments/lexers/rdf.py
index b10cba35..5927a686 100644
--- a/pygments/lexers/rdf.py
+++ b/pygments/lexers/rdf.py
@@ -355,7 +355,7 @@ class ShExCLexer(RegexLexer):
         'root': [
             (r'\s+', Text),
             # keywords ::
-            (r'((?i)base|prefix|start|external|'
+            (r'(?i)(base|prefix|start|external|'
              r'literal|iri|bnode|nonliteral|length|minlength|maxlength|'
              r'mininclusive|minexclusive|maxinclusive|maxexclusive|'
              r'totaldigits|fractiondigits|'
@@ -379,7 +379,7 @@ class ShExCLexer(RegexLexer):
             # operators ::
             (r'[@|$&=*+?^\-~]', Operator),
             # operator keywords ::
-            (r'((?i)and|or|not)\b', Operator.Word),
+            (r'(?i)(and|or|not)\b', Operator.Word),
             # punctuation characters ::
             (r'[(){}.;,:^\[\]]', Punctuation),
             # line comments ::
-- 
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