On Sep 20, 2010, at 1:07 PM, Peter Dyballa wrote:


Am 20.09.2010 um 16:42 schrieb Paolo Matteucci:

I’ve updated my TexLive distribution today, and started noticing
that, if you invoke the tipa package with xltxtra (and hence fontspec and xunicode) loaded, you get an extra trailing space just before the end of the
\textipa environment.


You're obvious using a TeX Live 2010 binary with the TeX Live 2009 distribution:

This is XeTeX, Version 3.1415926-2.2-0.9997.4 (Web2C 2010) (format=xelatex 2010.9.20) 20 SEP 2010 15:38
        entering extended mode
         restricted \write18 enabled.
         %&-line parsing enabled.
        **tipa_test.tex
        (./tipa_test.tex
        LaTeX2e <2009/09/24>
        Babel <v3.8l> and hyphenation patterns for ... loaded.
        (z:/texlive/2009/texmf-dist/tex/latex/base/article.cls
Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
        (z:/texlive/2009/texmf-dist/tex/latex/base/size10.clo
        File: size10.clo 2007/10/19 v1.4h Standard LaTeX file (size option)

You see?

Although that's true, it's not the source of the problem. I get the same output with TL 2010. Putting \relax after the last character in the TIPA string will solve the problem.

\textipa{a\relax}

You see? :-)

This is XeTeX, Version 3.1415926-2.2-0.9997.4 (TeX Live 2010)
 restricted \write18 enabled.
entering extended mode
(./include-test.tex
LaTeX2e <2009/09/24>
Babel <v3.8l> and hyphenation patterns for english, dumylang, nohyphenation, ge rman-x-2009-06-19, ngerman-x-2009-06-19, ancientgreek, ibycus, arabic, armenian , basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danish, dutch, u kenglish, usenglishmax, esperanto, estonian, farsi, finnish, french, galician, german, ngerman, swissgerman, monogreek, greek, hungarian, icelandic, assamese, bengali, gujarati, hindi, kannada, malayalam, marathi, oriya, panjabi, tamil, telugu, indonesian, interlingua, irish, italian, kurmanji, lao, latin, latvian, lithuanian, mongolian, mongolianlmc, bokmal, nynorsk, polish, portuguese, roma nian, russian, sanskrit, serbian, slovak, slovenian, spanish, swedish, turkish,
 turkmen, ukrainian, uppersorbian, welsh, loaded.
(/usr/local/texlive/2010/texmf-dist/tex/latex/base/article.cls
Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
(/usr/local/texlive/2010/texmf-dist/tex/latex/base/size10.clo))
(/usr/local/texlive/2010/texmf-dist/tex/xelatex/xltxtra/xltxtra.sty
(/usr/local/texlive/2010/texmf-dist/tex/generic/oberdiek/ifluatex.sty)
(/usr/local/texlive/2010/texmf-dist/tex/generic/ifxetex/ifxetex.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/fontspec/fontspec.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/expl3.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3names.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/etex-pkg/etex.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3basics.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3expan.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3tl.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3intexpr.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3quark.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3seq.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3toks.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3int.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3prg.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3clist.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3token.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3prop.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3msg.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3io.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3skip.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3box.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3keyval.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3keys.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3precom.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3xref.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3file.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3fp.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/expl3/l3luatex.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/tools/calc.sty))
(/usr/local/texlive/2010/texmf-dist/tex/latex/xpackages/xbase/ xparse.sty)
(/usr/local/texlive/2010/texmf-dist/tex/generic/kastrup/binhex.tex)
(./xkeyval.sty (./xkeyval.tex (./keyval.tex)))
(/usr/local/texlive/2010/texmf-dist/tex/latex/fontspec/fontspec- patches.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/base/fixltx2e.sty))
(/usr/local/texlive/2010/texmf-dist/tex/latex/base/fontenc.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/euenc/eu1enc.def)
(/usr/local/texlive/2010/texmf-dist/tex/latex/euenc/eu1lmr.fd))
fontspec.cfg loaded.
(/usr/local/texlive/2010/texmf-dist/tex/latex/fontspec/fontspec.cfg))
(/usr/local/texlive/2010/texmf-dist/tex/xelatex/xunicode/xunicode.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/metalogo/metalogo.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/graphics/graphicx.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/graphics/graphics.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/graphics/trig.sty)
(/usr/local/texlive/2010/texmf-dist/tex/latex/latexconfig/graphics.cfg)
(/usr/local/texlive/2010/texmf-dist/tex/xelatex/xetex-def/xetex.def)))))
(/usr/local/texlive/2010/texmf-dist/tex/latex/tipa/tipa.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/base/fontenc.sty
(/usr/local/texlive/2010/texmf-dist/tex/latex/tipa/t3enc.def
(/usr/local/texlive/2010/texmf-dist/tex/latex/euenc/eu1lmss.fd))
(/usr/local/texlive/2010/texmf-dist/tex/latex/euenc/eu1enc.def)))
(./include-test.aux)
(/usr/local/texlive/2010/texmf-dist/tex/latex/tipa/t3cmr.fd) [1]
(./include-test.aux) )
Output written on include-test.pdf (1 page).
SyncTeX written on include-test.synctex.gz
Transcript written on include-test.log.

--
Greetings

 Pete

There are two major products that come out of Berkeley: LSD and UNIX. We don't believe this to be a coincidence.
                                - Jeremy S. Anderson




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