From cce1149db64a8f35d7350d16018d2f6de33931d7 Mon Sep 17 00:00:00 2001
From: David Lechner <david@pybricks.com>
Date: Mon, 18 May 2020 16:01:10 -0500
Subject: [PATCH] doc: fix latexpdf build

Building pdf was broken because of chinese characters in one of the
code snippets.

LaTeX stack exchange recommends use XeTeX engine instead but this
causes other formatting problems (like footer using wide font) so
just hacking this in for now.
---
 doc/api/hubs_ev3brick.inc | 8 ++++++++
 doc/common/conf.py        | 1 +
 2 files changed, 9 insertions(+)

diff --git a/doc/api/hubs_ev3brick.inc b/doc/api/hubs_ev3brick.inc
index fe2db67..5c4f8ba 100644
--- a/doc/api/hubs_ev3brick.inc
+++ b/doc/api/hubs_ev3brick.inc
@@ -163,8 +163,16 @@
 
             **Example: Say hello... in several ways.**
 
+            .. raw:: latex
+
+               \begin{CJK}{UTF8}{gbsn}
+
             .. literalinclude:: ../../pybricks-projects/snippets/ev3/screen_print/main.py
 
+            .. raw:: latex
+
+               \end{CJK}
+
     .. automethod:: pybricks.hubs::EV3Brick.screen.set_font
 
         **Example:** See example in :meth:`print`.
diff --git a/doc/common/conf.py b/doc/common/conf.py
index 87ef2b6..8bbfaa3 100644
--- a/doc/common/conf.py
+++ b/doc/common/conf.py
@@ -199,6 +199,7 @@ latex_elements = {
     # Additional stuff for the LaTeX preamble.
     #
     'preamble': r'''
+    \usepackage{CJKutf8}
     \makeatletter
     \fancypagestyle{normal}{
         \fancyhf{}