From 8f80f370ce8645aa01c629934bd0f300fefeb480 Mon Sep 17 00:00:00 2001
From: Bruno Oliveira <nicoddemus@gmail.com>
Date: Tue, 12 Oct 2021 09:44:31 -0300
Subject: [PATCH] Use xelatex engine for better Unicode support

Fix #9196
---
 doc/en/conf.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/en/conf.py b/doc/en/conf.py
index 7c053e332..a2c96a85f 100644
--- a/doc/en/conf.py
+++ b/doc/en/conf.py
@@ -39,6 +39,10 @@ autodoc_member_order = "bysource"
 autodoc_typehints = "description"
 todo_include_todos = 1
 
+# Use a different latex engine due to possible Unicode characters in the documentation:
+# https://docs.readthedocs.io/en/stable/guides/pdf-non-ascii-languages.html
+latex_engine = "xelatex"
+
 # -- General configuration -----------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.