Am 17.12.2009 um 18:19 schrieb Wolfgang Schuster:

> 
> Am 17.12.2009 um 17:48 schrieb Andreas Harder:
> 
>> Hi all,
>> 
>> please have a look at the attached example. Is there a (not manually) 
>> possibility to reduce the space of two consecutive headers? Another 
>> situation is if a header with ‘before=,’ is followed by an environment with 
>> 'before=\blank’ …
>> 
>> \setupdelimitedtext[blockquote][before=\blank,after=\blank]
> 
> \setupdelimitedtext[...][spacebefore=default,spaceafter=default]
> 
> you can now use before/after for different settings
> 
>> \setuphead[subject][after=,style=\bfa]
>> 
>> \starttext
>> \subject{No space after the header}
>> 
>> \input tufte
> 
> interesting because it works in MkII when i add \setupinterlinespace[...] to 
> the preamble
> 
>> \subject{Space from the \tex{blockquote}-environment} % \vskip-\lineheight
>> 
>> \startblockquote
>> \input tufte
>> \stopblockquote
>> 
>> \input tufte
>> 
>> \startblockquote
>> \input tufte
>> \stopblockquote
>> 
>> \startcolumns
>> \section{Section}
>> \input tufte \par
>> \subsection{Subsection}
>> \input tufte \par \column
>> \section{Section} % \vskip-1.25\lineheight
>> \subsection{Subsection}
>> \input tufte \par
>> \input tufte \par
>> \stopcolumns
>> 
>> \stoptext
> 
> see http://www.ntg.nl/pipermail/ntg-context/2008/034443.html

Hello Wolfgang,

thanks for the hint, but I don’t get it. How can I bind a signal to a heading? 
If I understand right a signal is a tag that can be attached to a macro …? So 
I’ve tried the following:

\newsignal\SpaceAfterSection

\def\TestSpace
  {\ifdim\lastskip=\SpaceAfterSection \blank[nowhite]
   \else \blank[2*big]\fi}

\setuphead[section]    [after=\SpaceAfterSection]
\setuphead[subsection] [before=\TestSpace]

\starttext  % \showgrid
\startcolumns
  \section{Section}
  \input tufte \par
  \subsection{Subsection}
  \input tufte \par \column
  \section{Section} 
  \subsection{Subsection}
  \input tufte \par
  \input tufte \par
\stopcolumns
\stoptext

I appreciate your help!  

        Andreas

PS. I use only MkIV
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