> Am 08.11.2014 um 00:00 schrieb Pierre-François Bonnefoi <bonne...@unilim.fr>:
>
> Just before going to bed, I've found a solution with all your help and the
> help of Taco Hoekwater through the ntg mail archive :
>
> \def\startSlide%
> {\def\stopSlide{\checkSlide\doif{\getvariable{temp}{publish}}{yes}{\page\getbuffer[Slide]}}%
> \dostartbuffer[Slide][startSlide][stopSlide]}
>
> Let me know if it's my philosopher's stone...
> I've tried it and it works so far.
>
> No more ugly gobbling, my mind is free.
Below are two other methods.
Method 1
=======
\newconditional\SkipSlide \setfalse\SkipSlide
\definebuffer[Slide]
\def\stopSlide
{\ifconditional\SkipSlide \else
\page \getbuffer[\thedefinedbuffer{Slide}]%
\fi
\setfalse\SkipSlide}
\starttext
\startSlide
First Slide
\stopSlide
\settrue\SkipSlide
\startSlide
Second Slide
\stopSlide
\startSlide
Third Slide
\stopSlide
\stoptext
Method 2
=======
\def\startSlide
{\dosingleempty\dostartSlide}
\def\dostartSlide[#1]%
{\doifelse{#1}{-}
{\let\stopSlide\stopSlideNop}
{\let\stopSlide\stopSlideYes}%
\grabbufferdata[Slide][startSlide][stopSlide]}
\let\stopSlideNop\relax
\def\stopSlideYes
{\page
\getbuffer[Slide]}
\starttext
\startSlide
First Slide
\stopSlide
\startSlide[-]
Second Slide
\stopSlide
\startSlide
Third Slide
\stopSlide
\stoptext
Wolfgang
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