[NTG-context] LaTeX \newcommands in ConTeXt.

Hans Hagen pragma at wxs.nl
Tue Jul 26 09:08:35 CEST 2005


Brooks Moses wrote:

> At 04:28 PM 7/25/2005, you wrote:
>
>> Brooks Moses wrote:
>>
>>> I'd particularly appreciate any comments on the \newcommand and 
>>> counters implementations -- those are in the t-ltcmds and t-ltcnts 
>>> modules, though \newcommand also depends on t-lterrs and t-ltbase.
>>
>>
>> i just took a quick look at the code; if you run into tricky 
>> definitions, let me know, often there are either already low level 
>> macros that do the job, or i can add some stuff;
>
>
> Thanks!  I'll probably have lots of questions as I go along -- this is 
> certainly becoming a tour of the internals of both systems.
>
>> btw, i renamed the internal \end macro so that you can get away from 
>> stoptext refinitions (too messy)
>
>
> Yeah, the \stoptext redefinition was one of the first pieces I wrote, 
> nearly a year ago.  The reason I was doing the \stoptext redefinition 
> wasn't the internal \end macro (which didn't exist then, I think) -- 
> it was that the ConTeXt version I used then didn't have an 
> \everystoptext hook.  But now that it exists, I can just use it.
>
> One other question I have right now: what's a good way to duplicate 
> LaTeX's \vspace macro (which is effectively a \vskip inside), without 
> causing the problems that the ConTeXt manual warns about if we use 
> \vskip?


maybe (a patched version of \godown):

\def\godown[#1]%
  {\ifhmode\endgraf\fi
   \ifvmode\nointerlineskip\vskip#1\relax}

test 

\godown[10cm]

test 

is \vspace accumulating? 

Hans 

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