summaryrefslogtreecommitdiff
path: root/Build/source/texk/web2c/luatexdir/lang
diff options
context:
space:
mode:
authorLuigi Scarso <luigi.scarso@gmail.com>2019-03-16 14:22:44 +0000
committerLuigi Scarso <luigi.scarso@gmail.com>2019-03-16 14:22:44 +0000
commit090dff7b31108a1b2c2d7f11967cb414e9d5ac48 (patch)
tree772251ef37c388a42e2d798ff3c28caf61622b01 /Build/source/texk/web2c/luatexdir/lang
parenteb9deda90c9e0256f62b40599dd5661370d46abf (diff)
Additional wrapping of local boxes; updated luatex manual.
git-svn-id: svn://tug.org/texlive/trunk@50412 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir/lang')
-rw-r--r--Build/source/texk/web2c/luatexdir/lang/texlang.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/Build/source/texk/web2c/luatexdir/lang/texlang.c b/Build/source/texk/web2c/luatexdir/lang/texlang.c
index 04f96660f5e..323d27c5865 100644
--- a/Build/source/texk/web2c/luatexdir/lang/texlang.c
+++ b/Build/source/texk/web2c/luatexdir/lang/texlang.c
@@ -944,6 +944,9 @@ void hnj_hyphenation(halfword head, halfword tail)
halfword s, r = head, wordstart = null, save_tail1 = null, left = null, right = null;
halfword expstart = null;
boolean compound_hyphen = compound_hyphen_mode_par;
+ /*tex Let's play safe: */
+ if (tail == null)
+ return;
/*tex
This first movement assures two things:
@@ -969,7 +972,8 @@ void hnj_hyphenation(halfword head, halfword tail)
r = find_next_wordstart(r,first_language,strict_bound);
if (r == null)
return;
- assert(tail != null);
+ if (tail == null)
+ return;
save_tail1 = vlink(tail);
s = new_penalty(0,word_penalty);
couple_nodes(tail, s);