Fix invalid escape sequences in the peg_highlight Sphinx extension (GH-22047) (GH-22065)

miss-islington · pablogsal · web-flow · commit 27183f48f256 · 2020-09-02T17:43:43.000+01:00
(cherry picked from commit 5a4a963) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com> Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
diff --git a/Doc/tools/extensions/peg_highlight.py b/Doc/tools/extensions/peg_highlight.py
@@ -59,7 +59,7 @@ class PEGLexer(RegexLexer):
             include("variables"),
             (r"\b(?!(NULL|EXTRA))([A-Z_]+)\b\s*(?!\()", Text,),
             (
-                r"^\s*" + _name + "\s*" + "(\[.*\])?" + "\s*" + "(\(.+\))?" + "\s*(:)",
+                r"^\s*" + _name + r"\s*" + r"(\[.*\])?" + r"\s*" + r"(\(.+\))?" + r"\s*(:)",
                 bygroups(Name.Function, None, None, Punctuation),
             ),
             (_name, Name.Function),

Original file line number	Diff line number	Diff line change
`@@ -59,7 +59,7 @@ class PEGLexer(RegexLexer):`
`59`	`59`	`include("variables"),`
`60`	`60`	`(r"\b(?!(NULL\|EXTRA))([A-Z_]+)\b\s*(?!\()", Text,),`
`61`	`61`	`(`
`62`		`- r"^\s" + _name + "\s" + "(\[.\])?" + "\s" + "(\(.+\))?" + "\s*(:)",`
	`62`	`+ r"^\s" + _name + r"\s" + r"(\[.\])?" + r"\s" + r"(\(.+\))?" + r"\s*(:)",`
`63`	`63`	`bygroups(Name.Function, None, None, Punctuation),`
`64`	`64`	`),`
`65`	`65`	`(_name, Name.Function),`