From cd4009d7e1cca89a75a81227702631aba161b75e Mon Sep 17 00:00:00 2001
From: Matthias Geier <Matthias.Geier@gmail.com>
Date: Sat, 25 Feb 2023 12:11:04 +0100
Subject: [PATCH] DOC/LaTeX: use lualatex/fontspec for selecting fonts (#711)

---
 .circleci/config.yml |  2 +-
 doc/conf.py          | 37 ++++++++++++++++++++-----------------
 2 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1ad9e454..410c5719 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -76,7 +76,7 @@ jobs:
           name: Building PDF
           command: |
             cd build/sphinx/latex
-            latexmk -pdf
+            latexmk -pdflua
 
       - store_artifacts:
           name: Uploading PDF file
diff --git a/doc/conf.py b/doc/conf.py
index 425bc7f3..11c2b4d2 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -140,27 +140,30 @@
     'papersize': 'a4paper',
     'printindex': '',
     'sphinxsetup': r"""
-        %verbatimwithframe=false,
-        %verbatimwrapslines=false,
-        %verbatimhintsturnover=false,
-        noteBorderColor={HTML}{E0E0E0},
-        noteborder=1.5pt,
-        warningBorderColor={HTML}{E0E0E0},
-        warningborder=1.5pt,
-        warningBgColor={HTML}{FBFBFB},
-    """,
-    'preamble': r"""
-\usepackage[sc,osf]{mathpazo}
+HeaderFamily=\rmfamily\bfseries,
+%verbatimwithframe=false,
+%verbatimwrapslines=false,
+%verbatimhintsturnover=false,
+noteBorderColor={HTML}{E0E0E0},
+noteborder=1.5pt,
+warningBorderColor={HTML}{E0E0E0},
+warningborder=1.5pt,
+warningBgColor={HTML}{FBFBFB},
+""",
+    'fontpkg': r"""
+\usepackage{mathpazo}
 \linespread{1.05}  % see http://www.tug.dk/FontCatalogue/urwpalladio/
-\renewcommand{\sfdefault}{pplj}  % Palatino instead of sans serif
-\IfFileExists{zlmtt.sty}{
-    \usepackage[light,scaled=1.05]{zlmtt}  % light typewriter font from lmodern
-}{
-    \renewcommand{\ttdefault}{lmtt}  % typewriter font from lmodern
-}
+\setmainfont{TeX Gyre Pagella}[Numbers=OldStyle]
+\setmonofont{Latin Modern Mono Light}[Numbers=Lining]
+""",
+    'preamble': r"""
+\urlstyle{tt}
 """,
 }
 
+latex_engine = 'lualatex'
+latex_use_xindy = False
+
 latex_table_style = ['booktabs']
 
 latex_documents = [