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-rw-r--r--pygments/lexers/_php_builtins.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/pygments/lexers/_php_builtins.py b/pygments/lexers/_php_builtins.py
index fec3286a..bd4b7d99 100644
--- a/pygments/lexers/_php_builtins.py
+++ b/pygments/lexers/_php_builtins.py
@@ -4688,7 +4688,7 @@ if __name__ == '__main__': # pragma: no cover
PHP_MANUAL_URL = 'http://us3.php.net/distributions/manual/php_manual_en.tar.gz'
PHP_MANUAL_DIR = './php-chunked-xhtml/'
PHP_REFERENCE_GLOB = 'ref.*'
- PHP_FUNCTION_RE = '<a href="function\..*?\.html">(.*?)</a>'
+ PHP_FUNCTION_RE = r'<a href="function\..*?\.html">(.*?)</a>'
PHP_MODULE_RE = '<title>(.*?) Functions</title>'
def get_php_functions():