Re: [NTG-context] expansion problem with \getbuffer again (mkiv)

1 Oct 2009


      Hans Hagen schrieb:
...
Peter Rolf wrote:
...
Hi,
the attached example works with mkii, but breaks with mkiv. Here is 
the error message I get (beta 28.09.2009):
systems         : begin file test at line 1
! Missing \endgroup inserted.
<inserted text>
               \endgroup
<to be read again>
                  \vskip
\stopblankhandling ...ional \someblankdone \vskip
                                                 \blankskip \fi 
\endgroup
l.3 \stopblankhandling
                    \dovspacing ...argument #1\else \s!default \fi ")}
                                                <to be read again>
                  \leavevmode
....
l.20 \setlayer[FOO]{\getbuffer[FOO]}
                                  ?
! Emergency stop.
<inserted text>
               \endgroup
<to be read again>
                  \vskip
\stopblankhandling ...ional \someblankdone \vskip
                                                 \blankskip \fi 
\endgroup
l.3 \stopblankhandling
                    \dovspacing ...argument #1\else \s!default \fi ")}
                                                <to be read again>
                  \leavevmode
....
l.20 \setlayer[FOO]{\getbuffer[FOO]}
                                  !  ==> Fatal error occurred, no 
output PDF file produced!MTXrun | run 1: luatex 
--fmt="r:/tex/texmf-cache/luatex-cache/context/d0b787cd25b9175dc4eaa276af366360/formats/cont-en" 
--lua="r:/tex/texmf-cache/luatex-cache/context/d0b787cd25b9175dc4eaa276af366360/formats/cont-en.lui" 
--backend=pdf "./test"
MTXrun | fatal error, return code: 1
here is a patch (can't update right now, in the middle of something else)
Thanks Hans! As a nice side effect my other problem

http://archive.contextgarden.net/message/20090924.150300.aabab18c.en.html

is also history now. All colors are at the right places again.
...
\def\startblankhandling
  {\par
   \ifvmode
     \expandafter\dostartblankhandling
   \else
     \expandafter\nostartblankhandling
   \fi}
\def\nostartblankhandling#1\stopblankhandling
  {}
\def\dostartblankhandling
  {\begingroup
   \setfalse\someblankdone
   \the\everybeforeblankhandling}
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                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
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