commit df939f252a92a70565951462a6aeb90b082a7563
Author: Udi Fogiel <[email protected]>
Date: Sun Jul 5 22:18:37 2026 +0300
mirror left and right margins in LuaTeX with main RTL
see https://github.com/LaTeX-Package-Repositories/geometry/issues/20
for further details
---
src/BufferParams.cpp | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index 6e8abdf2ac..923e557e81 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -2527,14 +2527,26 @@ bool BufferParams::writeLaTeX(otexstream & os,
LaTeXFeatures & features,
gs << "," << g_options;
// output this only if use_geometry is true
if (use_geometry) {
+ // In LuaTeX with RTL main language,
lmargin/rmargin are
+ // reversed relative to the user's visual
intent. This
+ // only matters for one-sided documents: with
two-sided
+ // documents lmargin/rmargin already mean
inner/outer
+ // margin, which alternates by page side
regardless.
+ OutputParams const & rp = features.runparams();
+ bool const luatex_rtl = (rp.flavor ==
Flavor::LuaTeX
+ || rp.flavor ==
Flavor::DviLuaTeX)
+ &&
language->rightToLeft()
+ && sides == OneSide;
if (!topmargin.empty())
gs << ",tmargin=" <<
Length(topmargin).asLatexString();
if (!bottommargin.empty())
gs << ",bmargin=" <<
Length(bottommargin).asLatexString();
if (!leftmargin.empty())
- gs << ",lmargin=" <<
Length(leftmargin).asLatexString();
+ gs << "," << (luatex_rtl ? "rmargin" :
"lmargin")
+ << "=" <<
Length(leftmargin).asLatexString();
if (!rightmargin.empty())
- gs << ",rmargin=" <<
Length(rightmargin).asLatexString();
+ gs << "," << (luatex_rtl ? "lmargin" :
"rmargin")
+ << "=" <<
Length(rightmargin).asLatexString();
if (!headheight.empty())
gs << ",headheight=" <<
Length(headheight).asLatexString();
if (!headsep.empty())
--
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