2013/6/29 Stephan Hennig <mailing_l...@arcor.de>:
> Hi,
>
> I'm not sure if this is an error in LuaTeX or in the luamplib package,
> so sending this to both lists.
>
> Attached are an .mp file and a .tex file that should both draw the same
> graphic.
>
> Compiling the .mp file with MetaPost, output is as expected, i.e., the
> loop of the letter g reaches below the horizontal line at an y
> coordinate of zero.
>
> Compiling the .tex file with LuaLaTeX, the g sits completely on top of
> the line.
>
> Best regards,
> Stephan Hennig
>
>
>> This is LuaTeX, Version beta-0.76.0-2013061707 (rev 4627) (format=lualatex
>> 2013.6.23) 29 JUN 2013 00:01
>
>> *File List*
>> article.cls 2007/10/19 v1.4h Standard LaTeX document class
>> size10.clo 2007/10/19 v1.4h Standard LaTeX file (size option)
>> luamplib.sty 2013/05/07 v2.0 mplib package for LuaTeX
>> luatexbase-modutils.sty 2013/05/11 v0.6 Module utilities for LuaTeX
>> ifluatex.sty 2010/03/01 v1.3 Provides the ifluatex switch (HO)
>> luatexbase-loader.sty 2013/05/11 v0.6 Lua module loader for LuaTeX
>> luatexbase-compat.sty 2011/05/24 v0.4 Compatibility tools for LuaTeX
>> pdftexcmds.sty 2011/11/29 v0.20 Utility functions of pdfTeX for LuaTeX
>> (HO)
>> infwarerr.sty 2010/04/08 v1.3 Providing info/warning/error messages (HO)
>> ltxcmds.sty 2011/11/09 v1.22 LaTeX kernel commands for general use (HO)
>> ifpdf.sty 2011/01/30 v2.3 Provides the ifpdf switch (HO)
>> luatex-loader.sty 2010/03/09 v0.4 Lua module loader (HO)
>> ***********
That is a bug of luamplib package.
Please apply the following patch until the packge is updated.
--- /usr/local/texlive/2013/texmf-dist/tex/luatex/luamplib/luamplib.sty.orig
2013-06-29 09:25:28.000000000 +0900
+++ /usr/local/texlive/2013/texmf-dist/tex/luatex/luamplib/luamplib.sty
2013-06-29 09:25:44.000000000 +0900
@@ -40,7 +40,7 @@
%catcode`\%=12 %% don^^e2^^80^^99t in Plain!
\catcode`\&=12 \catcode`\$=12
}
-\def\mplibputtextbox#1{\vbox to 0pt{\vss\hbox to 0pt{\raise\dp#1\box#1\hss}}}
+\def\mplibputtextbox#1{\vbox to 0pt{\vss\hbox to 0pt{\box#1\hss}}}
\bgroup\expandafter\expandafter\expandafter\egroup
\expandafter\ifx\csname ProvidesPackage\endcsname\relax
\def\mplibcode{%
Thanks for the report.
Regards,
--
Dohyun Kim
Seoul, Republic of Korea
