From 75fdf1363e4d74c07ee075be34f839a9776c8fb2 Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Sun, 7 Oct 2018 13:49:14 +0900
Subject: [PATCH] latex: escape \releasename and \indexname

---
 sphinx/templates/latex/latex.tex_t |  4 ++--
 sphinx/util/template.py            |  5 +++++
 sphinx/util/texescape.py           | 11 ++++++++++-
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/sphinx/templates/latex/latex.tex_t b/sphinx/templates/latex/latex.tex_t
index d2b251efe..e1aeae4f9 100644
--- a/sphinx/templates/latex/latex.tex_t
+++ b/sphinx/templates/latex/latex.tex_t
@@ -48,7 +48,7 @@
 \author{<%= author %>}
 \newcommand{\sphinxlogo}{<%= logo %>}
 <%- if releasename or release %>
-\renewcommand{\releasename}{<%= releasename or _('Release') %>}
+\renewcommand{\releasename}{<%= releasename or _('Release') | e %>}
 <%- else %>
 \renewcommand{\releasename}{}
 <%- endif %>
@@ -63,6 +63,6 @@
 <%= body %>
 <%= atendofbody %>
 <%= indices %>
-\renewcommand{\indexname}{<%= _('Index') %>}
+\renewcommand{\indexname}{<%= _('Index') | e %>}
 <%= printindex %>
 \end{document}
diff --git a/sphinx/util/template.py b/sphinx/util/template.py
index 970b20177..01c772069 100644
--- a/sphinx/util/template.py
+++ b/sphinx/util/template.py
@@ -16,6 +16,7 @@ from jinja2.sandbox import SandboxedEnvironment
 from sphinx import package_dir
 from sphinx.jinja2glue import SphinxFileSystemLoader
 from sphinx.locale import get_translator
+from sphinx.util import texescape
 
 if False:
     # For type annotation
@@ -72,6 +73,10 @@ class LaTeXRenderer(SphinxRenderer):
         template_path = os.path.join(package_dir, 'templates', 'latex')
         super(LaTeXRenderer, self).__init__(template_path)
 
+        # use texescape as escape filter
+        self.env.filters['e'] = texescape.escape
+        self.env.filters['escape'] = texescape.escape
+
         # use JSP/eRuby like tagging instead because curly bracket; the default
         # tagging of jinja2 is not good for LaTeX sources.
         self.env.variable_start_string = '<%='
diff --git a/sphinx/util/texescape.py b/sphinx/util/texescape.py
index 8d37e0f60..8d3bd5371 100644
--- a/sphinx/util/texescape.py
+++ b/sphinx/util/texescape.py
@@ -11,6 +11,10 @@
 
 from __future__ import unicode_literals
 
+if False:
+    # For type annotation
+    from typing import Dict  # NOQA
+
 tex_replacements = [
     # map TeX special chars
     ('$', r'\$'),
@@ -117,11 +121,16 @@ tex_replacements = [
     ('Ω', r'\(\Omega\)'),
 ]
 
-tex_escape_map = {}
+tex_escape_map = {}  # type: Dict[int, unicode]
 tex_replace_map = {}
 tex_hl_escape_map_new = {}
 
 
+def escape(s):
+    # type: (unicode) -> unicode
+    return s.translate(tex_escape_map)
+
+
 def init():
     # type: () -> None
     for a, b in tex_replacements: