dev-luatex September 2012

dev-luatex@ntg.nl

3 participants
2 discussions

Missing newline with \errhelp
by Bruno Le Floch 07 Sep '12

07 Sep '12

Hello, When an \errmessage is issued with \errhelp set to be non-empty, LuaTeX shows the message "Type <return> to proceed [etc]" immediately after the \errhelp. Other engines suppress this message in the presence of \errhelp. I don't know if the difference is voluntary. In any case, it would seem better to add a newline between the \errhelp text and the built-in "Type..." text. On a Unix machine with TeXlive installed, echo "H" | luatex '\errhelp{ABC}\errmessage{BOOM}' prints the following to the terminal (a similar result is obtained if the TeX code is put in a file) This is LuaTeX, Version beta-0.70.2-2012062812 (TeX Live 2012) restricted \write18 enabled. ! foo. <*> \errhelp{ABC}\errmessage{foo} ? ABCType <return> to proceed, S to scroll future error messages, R to run without stopping, Q to run quietly, I to insert something, 1 or ... or 9 to ignore the next 1 to 9 tokens of input, H for help, X to quit. ? ! Emergency stop. <*> \errhelp{ABC}\errmessage{foo} ! ==> Fatal error occurred, no output PDF file produced! Transcript written on texput.log. I would like to know whether this lack of newline is a bug or not, to know if I should add LuaTeX-specific code to the l3msg LaTeX3 package. Regards, Bruno

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luatex and umask
by karl＠freefriends.org 03 Sep '12

03 Sep '12

Hi Taco and all, A Mac user noticed that a texdoc directory was being created with group-write permission, even though their umask did not specify that (it was 022). $ umask 022 $ dir=~/.texlive2012/texmf-var/texdoc $ rm -rf $dir $ texdoc -l whatever .. $ ls -ld $dir drwxrwxr-x 2 karl root 4096 Sep 2 16:22 /u/karl/.texlive2012/texmf-var/texdoc/ ^ should be - Evidently the luafilesystem module was setting the umask to 002, and this was changed in 2009; see below. I'm not sure if these links are the actual upstream lua or some fork, though. Anyway, the question is, does the lua in luatex need to be updated? (If you want more context about all this, no problem, but I didn't think any of the rest mattered for luatex purposes.) Thanks, Karl Date: Mon, 27 Aug 2012 17:08:36 -0700 From: "Maxwell, Adam R" karl> In a subsequent message, there was a statement that group-writable was karl> the default in a lua library. I did not verify, but if true, that's karl> outside our control and not our place to override -- to get action, karl> report the bug to the appropriate developers. Just for completeness, this was fixed a few years ago in luafilesystem, as also noted in the debian.org bug report: https://github.com/keplerproject/luafilesystem/commit/fd028d32578fa0b7d5dfc… http://www.mail-archive.com/kepler-project@lists.luaforge.net/msg00340.html https://github.com/keplerproject/luafilesystem/blob/master/src/lfs.c --adam

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dev-luatex September 2012