[luatex] No hyphenation when \lccodes zero with explicit hyphens

[luigi scarso]

Hm, I'm not able to reproduce the bug


# luatex --version
This is LuaTeX, Version beta-0.79.1 (TeX Live 2014) (rev 4971)

Execute  'luatex --credits'  for credits and version details.

There is NO warranty. Redistribution of this software is covered by
the terms of the GNU General Public License, version 2 or (at your option)
any later version. For more information about these matters, see the file
named COPYING and the LuaTeX source.

Copyright 2014 Taco Hoekwater, the LuaTeX Team.

# pdftex --version
pdfTeX 3.14159265-2.6-1.40.15 (TeX Live 2014)
kpathsea version 6.2.0
Copyright 2014 Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
There is NO warranty.  Redistribution of this software is
covered by the terms of both the pdfTeX copyright and
the Lesser GNU General Public License.
For more information about these matters, see the file
named COPYING and the pdfTeX source.
Primary author of pdfTeX: Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
Compiled with libpng 1.6.10; using libpng 1.6.10
Compiled with zlib 1.2.8; using zlib 1.2.8
Compiled with xpdf version 3.03

# xetex --version
XeTeX 3.14159265-2.6-0.99991 (TeX Live 2014)
kpathsea version 6.2.0
Copyright 2014 SIL International, Jonathan Kew and Khaled Hosny.
There is NO warranty.  Redistribution of this software is
covered by the terms of both the XeTeX copyright and
the Lesser GNU General Public License.
For more information about these matters, see the file
named COPYING and the XeTeX source.
Primary author of XeTeX: Jonathan Kew.
Compiled with ICU version 53.1; using 53.1
Compiled with zlib version 1.2.8; using 1.2.8
Compiled with FreeType2 version 2.5.3; using 2.5.3
Compiled with Graphite2 version 1.2.4; using 1.2.4
Compiled with HarfBuzz version 0.9.28; using 0.9.28
Compiled with libpng version 1.6.10; using 1.6.10
Compiled with poppler version 0.25.2
Compiled with fontconfig version 2.11.1; using 2.11.0

luatex
#  mtxrun --script plain bug6.tex ​

pdftex
# texexec --pdf bug6.tex
 2006  mupdf bug6.pdf


xetex
#  xetex  bug6.tex

--
luigi
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