Re: [NTG-context] A few questions about eating spaces in macros

2006-01-25 Thread Hans Hagen
Radhelorn wrote:


text text
\commandhere
  

\dontleavehmode\commandhere

-
  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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Re: [NTG-context] A few questions about eating spaces in macros

2006-01-24 Thread Radhelorn
Hans Hagen wrote:
 Radhelorn wrote:
 
 Hello!

 I have a few questions about ignoring unnecessary spaces and blank 
 lines. The following example illustrates my problem. In the first 
 start/stop pair text after \startcommand is not bold as it should be, 
 in the second it is bold but blank line is before. I've tried to fix 
 this with various manipulations with \noindent with moderate success.

 Another problem is necessity to explicitly add % character before 
 \stopcommand to ignore newline. How to do this inside macro with this 
 combination of lines and sidebar?

 Thanks in advance for any suggestions.

 -

 \setuplines[before=,after=]

 \def\startcommand{\dosingleargument\dostartcommand}

 \def\dostartcommand[#1]%
   {\bgroup\defineshortcut[style=bold]#1\startlines\startsidebar}

 \def\stopcommand{\stopsidebar\stoplines\egroup}

 \starttext

 \startcommand
 this must be bold
 \input knuth
 this is bold%
 \stopcommand

 some text

 \startcommand[arg]
 this is bold indeed but with a blank line before
 \input knuth
 \stopcommand

 \stoptext


 \ignorespaces 
 
  \removeunwantedspaces
 
 Hans
 

After some fiddling I've found that it is not spaces that interfere -- 
it's newlines. Is there a mechanism to ignore last newline as:

text text
\commandhere

to automatically become

text text\commandhere

and some mechanism to ignore future newline

\somecommand
text here

to become

\somecommand text here

??

Also I've found that for the very first example to work there is a need 
to manually add \leavevmode or something like this:

\startcommand
\leavevmodethis must be bold

Maybe if there was an \ignorespaces after argument eating it would solve 
problems.



-- 
Radhelorn [EMAIL PROTECTED]
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