Merge pull request #5790 from jfbu/latex_turnoff_lualatex_ligatures

Latex turnoff lualatex ligatures

CHANGES

@@ -112,6 +112,8 @@ Bugs fixed
 * #5248: LaTeX: Greek letters in section titles disappear from PDF bookmarks
 * #5772: LaTeX: should the Bjarne style of fncychap be used for English also
   if passed as language option?
+* #5179: LaTex: (lualatex only) escaping of ``>`` by ``\textgreater{}`` is not
+  enough, ``\textgreater{}\textgreater{}`` applies TeX-ligature
 
 Testing
 --------

doc/usage/configuration.rst

@@ -2199,7 +2199,11 @@ information.
            Defaults to ``'\\usepackage{fontspec}'`` when
            :confval:`latex_engine` is ``'xelatex'``.
         .. versionchanged:: 1.6
-           ``'lualatex'`` also uses ``fontspec`` per default.
+           ``'lualatex'`` uses ``fontspec`` per default like ``'xelatex'``.
+        .. versionchanged:: 2.0
+           ``'lualatex'`` executes
+           ``\defaultfontfeatures[\rmfamily,\sffamily]{}`` to disable TeX
+           ligatures.
         .. versionchanged:: 2.0
            Detection of ``LGR``, ``T2A``, ``X2`` to trigger support of
            occasional Greek or Cyrillic (``'pdflatex'`` only, as this support

sphinx/writers/latex.py

@@ -206,7 +206,8 @@ ADDITIONAL_SETTINGS = {
         'latex_engine': 'lualatex',
         'polyglossia':  '\\usepackage{polyglossia}',
         'babel':        '',
-        'fontenc':      '\\usepackage{fontspec}',
+        'fontenc':     ('\\usepackage{fontspec}\n'
+                        '\\defaultfontfeatures[\\rmfamily,\\sffamily]{}'),
         'fontpkg':      LUALATEX_DEFAULT_FONTPKG,
         'textgreek':    '',
         'utf8extra':   ('\\catcode`^^^^00a0\\active\\protected\\def^^^^00a0'