At 07:30 PM 11/10/2001 +0100, Ricardo Sanchez Carmenes wrote:
>Dear Hans:
>
>
>I have found some bugs in supp-mps.tex that are shown when using
>this module with plain (i.e., without loading the whole context
>package).
>
>
>The supp-mps.tex file included in your latest beta/cont-tmf.zip
>contains a minor bug that shows up when trying to use metapost
>from tex->dvips->ps2pdf. The following diff fixes this bug:
>
>diff -u beta/supp-mps.tex fix/supp-mps.tex
>--- beta/supp-mps.tex Thu Aug 30 18:06:00 2001
>+++ fix/supp-mps.tex Sat Nov 10 13:12:08 2001
>@@ -545,9 +545,9 @@
> \def\nouseMPbox#1%
> {\setxvalue{#1}%
> {\noexpand\forgetall
> \noexpand\loadMPgraphic{\MPgraphicfile.\the\currentMPgraphic}{}%
>- \deallocateMPslot\currentMPgraphic
>+ \noexpand\deallocateMPslot\currentMPgraphic
> \noexpand\placeMPgraphic}}
>
> \ifCONTEXT \else \let\douseMPbox=\nouseMPbox \fi
> \ifCONTEXT \else \let\doifobjectssupportedelse=\relax \fi
hm, in that case the number shopuld also be {}'d
\def\nouseMPbox#1%
{\setxvalue{#1}%
{\noexpand\forgetall
\noexpand\loadMPgraphic{\MPgraphicfile.\the\currentMPgraphic}{}%
\noexpand\deallocateMPslot{\currentMPgraphic}%
\noexpand\placeMPgraphic}}
>Additionally, either the beta and the current official releases
>of supp-mps.tex try to check the value of \pdfoutput, even from
>classic-tex. The following, placed early in the file, may solve
>the problem without harming:
>
>% supp-mps.tex checks \pdfoutput, even if undefined!
>\ifx\pdftexversion\undefined\def\pdfoutput{0}\fi
I prefer:
\ifx \undefined \pdfoutput \else \chardef\pdfoutput=0 \fi
which is a better one for testing
>And, finally, \startreusableMPgraphic uses the \ifundefined macro,
>which is itself undefined! The following addition could solve the
>problem:
>
>% \startreusableMPgraphic needs this (yet) undefined macro:
>\ifx\ifundefined\undefined
>\def\ifundefined#1{\expandafter\ifx\csname#1\endcsname\relax}
>\fi
ok, goes in supp-mis.tex
There may be a few more things, since I recently cleaned up / changed a
couple of things.
Hans
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