Refs -- Fixed rendering of Unicode chars and emojis in PDF docs build.
@@ -272,13 +272,35 @@ rst_epilog = """
# -- Options for LaTeX output --------------------------------------------------
+# Use lualatex for Unicode support.
+latex_engine = 'lualatex'
+# Set fonts and fallbacks for CJK and Emojis.
latex_elements = {
- 'preamble': (
- '\\DeclareUnicodeCharacter{2264}{\\ensuremath{\\le}}'
- '\\DeclareUnicodeCharacter{2265}{\\ensuremath{\\ge}}'
- '\\DeclareUnicodeCharacter{2665}{[unicode-heart]}'
- '\\DeclareUnicodeCharacter{2713}{[unicode-checkmark]}'
- ),
+ 'preamble': r"""
+ \directlua{
+ luaotfload.add_fallback("seriffallbacks", {
+ "Noto Serif CJK SC:style=Regular;",
+ "Symbola:Style=Regular;"
+ })
+ }
+ \setmainfont{FreeSerif}[RawFeature={fallback=seriffallbacks}]
+
+ \directlua{
+ luaotfload.add_fallback("sansfallbacks", {
+ "Noto Sans CJK SC:style=Regular;",
+ "Symbola:Style=Regular;"
+ })
+ }
+ \setsansfont{FreeSans}[RawFeature={fallback=sansfallbacks}]
+
+ \directlua{
+ luaotfload.add_fallback("monofallbacks", {
+ "Noto Sans Mono CJK SC:style=Regular;",
+ "Symbola:Style=Regular;"
+ })
+ }
+ \setmonofont{FreeMono}[RawFeature={fallback=monofallbacks}]
+ """,
}
# Grouping the document tree into LaTeX files. List of tuples
