February 2011 - dev-luatex - NTG Mailing Lists

Snapshot 20070307
by Taco Hoekwater 10 May '12

10 May '12

Hi all, I decided to do a snapshot now instead of waiting for friday, because I want to start concentrating on something else besides font support issues. What's new: * Non-CID PostScript-based Opentype fonts are now combined over the entire document, and properly subsetted. The code is borrowed from xdvipdfmx with some minor adjustments Adding support for CID-keyed OpenType fonts would not be hard but at the moment I lack example input (and incentive). * A small extension to the virtual fonts structure: you can use f.fonts[1] = { 'id' = 38} to do a backreference to a previously defined font. This saves quite a few computations * There was a bug in the handling of \leaders in the output whereby it's width was taken to be twice what it should be while writing to the PDF, fixed now. * The font inclusion code is cleaned up a bit by Hartmut. * Some compilation problems were fixed. * There is (quite a bit of) debugging information printed out when OTPs are in use, because I am tracking down a bug reported by Idris. The input of each and every OTP step is shown on the terminal in a line line this: [57902][1568][58423][1568][58408][1568][58921] those are the decimal values of ocp i/o characters. If you don't need them, don't worry about it. Happy TeXing, Taco ----- Downloading and installation details: If you go to https://foundry.supelec.fr/frs/?group_id=10 you will see that there are three new released files: * luatex-snapshot-20070307.tar.bz2 This is the source tree. * luatex-snapshot-20070307-win32.zip A cross-compiled (mingw) windows binary. This is a web2c based binary, so it needs a texmf.cnf file (It will NOT work if you have only miktex installed). * luatex-snapshot-20070307-linux-i386.tar.bz2 An intel 32 linux binary (2.6.17)

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letterspacing and (no) ligatures
by Robert 17 Sep '11

17 Sep '11

Hi, here are two bugs: * in pdftex, \letterspacefont does not disable the ligatures, but this is what happens in luatex. * neither \tagcode nor \pdfnoligatures seem to have any effect (for non-letterspaced fonts, that is). Example: \input luaotfload.sty \font\x="Latin Modern Roman:+liga;+tlig" at 12pt \tagcode\x`\f=-1 % no effect \pdfnoligatures\x % ditto \x fi -- \letterspacefont\y\x 100 % killing the ligatures \y fi -- \bye Best regards, -- Robert

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dev-tex/luatex-0.63.0: gives a warning under Gentoo
by Toralf Förster 01 Mar '11

01 Mar '11

usr/bin/luatex * QA Notice: Package has poor programming practices which may compile * fine but exhibit random runtime failures. * luatexdir/luafontloader/fontforge/fontforge/nouiutil.c:49: warning: attempt to free a non-heap object 'buffer' * Please do not file a Gentoo bug and instead report the above QA * issues directly to the upstream developers of this software. * Homepage: http://www.luatex.org/ -- MfG/Kind regards Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

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Cron <luatex@boekplan> /var/www/luatex.org/www/bin/luatex-svn
by root＠mail.boekplan.nl 28 Feb '11

28 Feb '11

------------------------------------------------------------------------ r4089 | taco | 2011-02-28 09:12:59 +0100 (Mon, 28 Feb 2011) | 2 lines Changed paths: M /trunk/manual/luatexref-t.tex fix an unclarity in the local_par description ------------------------------------------------------------------------ r4090 | taco | 2011-02-28 09:51:20 +0100 (Mon, 28 Feb 2011) | 8 lines Changed paths: M /trunk/source/texk/web2c/luatexdir/lua/lnodelib.c M /trunk/source/texk/web2c/luatexdir/tex/texnodes.h fix two small issues with the lua node interface: * for some node types, node.has_field() would crash * for the 'Auxiliary items' (section 8.1.1), luatex would incorrectly return true on has_field('subtype') and has_field('prev') ------------------------------------------------------------------------

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Re: [Dev-luatex] [luatex] Line breaks
by Heiko Oberdiek 23 Feb '11

23 Feb '11

On Sat, Feb 19, 2011 at 12:25:47PM +0100, Paul Isambert wrote: > Le 19/02/2011 12:12, Dirk Laurie a écrit : > >The following are not equivalent on my system (texlive, ubuntu lucid): > > > >% excerpt from TeX file > >This is a paragraph > >with some lines. > > > >This is another paragraph, > >separated from the first > >by a blank line. > >% end excerpt > > > >% another excerpt > >\directlua{ text = [[ > >This is a paragraph > >with some lines. > > > >This is another paragraph, > >separated from the first > >by a blank line. ]] > >tex.print(text)} > >% end excerpt > > > >The second excerpt sets as a single paragraph. > > Which confirms something I'd been suspecting for a while but never > really investigated: blank lines aren't turned into \par in > \directlua, No, the conversion is done by TeX, \directlua sees the \par then. But tex.print removes the \par, perhaps because of | Each string argument is treated by TEX as a separate input line. Also interesting: | The very last string of the very last tex.print() command in a | \directlua will not have the \endlinechar appended, all others do. But a statement about \par filtering of tex.print() would be useful for the documentation. Minimal example (luatex --ini): \catcode`\{=1 \catcode`\}=2 \expandafter\def\expandafter\x\expandafter{% \directlua{tex.print('a \par b')}% }\show\x \csname @@end\endcsname\end Result: "a b" Yours sincerely Heiko Oberdiek

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Cron <luatex@boekplan> /var/www/luatex.org/www/bin/luatex-svn
by root＠mail.boekplan.nl 23 Feb '11

23 Feb '11

------------------------------------------------------------------------ r4088 | taco | 2011-02-23 16:00:10 +0100 (Wed, 23 Feb 2011) | 2 lines Changed paths: M /trunk/source/texk/web2c/luatexdir/tex/primitive.w fix crash on token.csname_id ("") ------------------------------------------------------------------------

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Cron <luatex@boekplan> /var/www/luatex.org/www/bin/luatex-svn
by root＠mail.boekplan.nl 23 Feb '11

23 Feb '11

------------------------------------------------------------------------ r4087 | taco | 2011-02-23 11:32:30 +0100 (Wed, 23 Feb 2011) | 2 lines Changed paths: M /trunk/source/texk/web2c/luatexdir/tex/texnodes.w Initialize the static node's types ------------------------------------------------------------------------

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Proposal for a change in otfl-luat-dum.lua
by Beingalink 21 Feb '11

21 Feb '11

To be able to use fonts inside a dfont archive (Helvetica for example) I had to change line 59 in otfl-luat-dum.lua to " dfont = "truetype fonts",". When I updated my mactex 2010 installation a few days ago, the file got overwritten and I had to do the change again. I'm not sure if there is a better/cleaner solution but since this small change works for me, this could at least be used as a temporary fix.

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mediabox accuracy
by Peter Rolf 19 Feb '11

19 Feb '11

Hi, I have a preflighting problem caused by a badly rounded (too small) mediabox. This following snippet is taken from that pdf. 93 0 obj << /Type /Page /Contents 94 0 R /Resources 92 0 R /MediaBox [0 0 923.24 585.99] /TrimBox [ 0.0000 0.0000 923.2440 585.9925 ] /CropBox [ 0.0000 0.0000 923.2440 585.9925 ] /Parent 98 0 R >> The mediabox accuracy is swayed by \pdfdecimaldigits (here \pdfdecimaldigits=2), while the other boxes use a fixed accuracy (four points after the digit). I see two solutions: 1. use the same fixed accuracy for all boxes 2. use the same accuracy given by \pdfdecimaldigits for all boxes I guess the second solution can still cause problems due to runtime changes of \pdfdecimaldigits (unless this is a 'write once' register) Test file (ConTeXt) is attached. Tested with trunk beta-0.65.0-2011010308 (rev 4050) and beta-0.66.0-2011021618 (rev 4086) on Windows Vista. Peter

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Re: [Dev-luatex] mkiv/metapost torture test
by Hans Hagen 12 Feb '11

12 Feb '11

On 12-2-2011 11:27, Mojca Miklavec wrote: > I forced \stoptext around line 5688 since it consumes all the > available memory (approximately 3 GB) and then takes forever to > proceed any further. You can try to remove those 10 lines and try to > compile the whole document in case it succeds. all these bytes go into the tex parser and get tokenized (which takes mem) and then stringified again when passed to mp etc etc how about using a temp file for > 5K data .. i can provide a function for reading that in directly i'll play a bit more with it later Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------

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