branch master updated: * doc/texinfo.tex (\code, \dashnobreak): Use a \penalty to disable hyphenation for LuaTeX.

[Gavin D. Smith]

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The following commit(s) were added to refs/heads/master by this push:
     new e535fc0e5e * doc/texinfo.tex (\code, \dashnobreak): Use a \penalty to 
disable hyphenation for LuaTeX.
e535fc0e5e is described below

commit e535fc0e5eea10eb932bce7ea5f30de90fa82ab1
Author: Werner Lemberg <wl@gnu.org>
AuthorDate: Mon Dec 19 22:34:10 2022 +0000

    * doc/texinfo.tex (\code, \dashnobreak): Use a \penalty to disable
    hyphenation for LuaTeX.
---
 ChangeLog       |  5 +++++
 doc/texinfo.tex | 10 ++++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 62629c55c6..a59d31ed76 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2022-11-19  Werner Lemberg  <wl@gnu.org>
+
+       * doc/texinfo.tex (\code, \dashnobreak): Use a \penalty to disable
+       hyphenation for LuaTeX.
+
 2022-12-19  Patrice Dumas  <pertusus@free.fr>
 
        * tp/Texinfo/Convert/DocBook.pm (_convert): use <sidebar> for
diff --git a/doc/texinfo.tex b/doc/texinfo.tex
index dcedf2d724..3e0f1c53b0 100644
--- a/doc/texinfo.tex
+++ b/doc/texinfo.tex
@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2022-12-17.18}
+\def\texinfoversion{2022-12-19.22}
 %
 % Copyright 1985, 1986, 1988, 1990-2022 Free Software Foundation, Inc.
 %
@@ -2901,6 +2901,12 @@ end
   \null % reset spacefactor to 1000
 }
 
+% This is for LuaTeX: It is not sufficient to disable hyphenation at
+% explicit dashes by setting `\hyphenchar` to -1.
+\def\dashnobreak{%
+  \normaldash
+  \penalty 10000 }
+
 % We must turn on hyphenation at `-' and `_' in @code.
 % Otherwise, it is too hard to avoid overfull hboxes
 % in the Emacs manual, the Library manual, etc.
@@ -2921,7 +2927,7 @@ end
      \let-\codedash
      \let_\codeunder
     \else
-     \let-\normaldash
+     \let-\dashnobreak
      \let_\realunder
     \fi
     % Given -foo (with a single dash), we do not want to allow a break