Am 07.01.2013 um 22:49 schrieb Marco Patzer <home...@lavabit.com>:
> On 2013–01–07 Hans Hagen wrote:
>
>> buffers (or blocks)
>
> Buffers apparently can't be used before the content is defined, but
> it works for blocks (I never used them). Test:
>
> \defineblock [bar]
>
> \starttext
>
> buf: \getbuffer[foo]
> BBBBBBBBBBB
>
> \startbuffer[foo]
> buf: AAAAAAAAAAA
> \stopbuffer
>
> \useblocks [bar]
> DDDDDDDDDDD
>
> \beginbar
> block: CCCCCCCCCCC
> \endbar
>
> \stoptext
>
> Is there a reason why the blocks favour begin/end instead of
> start/stop? Looks weird somehow.
Blocks use begin/end to allow the same name for the environment as other
commands, e.g. for exams:
\defineblock[question]
\defineblock[answer]
\hideblocks[answer]
\defineenumeration[question]
\defineenumeration[answer]
\starttext
\chapter{Questions} % Show only the question blocks
\beginquestion
\startquestion
First question.
\stopquestion
\endquestion
\beginanswer
\startasnwer
Answer to the first question.
\stopanswer
\endanswer
\chapter{Answers} % Show the question with the corresponding answer
\useblocks[question,answer]
\stoptext
Wolfgang
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