Re: block with different formatting per line?

[Ingo Hohmann <context@ingohohmann.de>]

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On 02/03/2013 04:56 AM, Rogers, Michael K wrote:
> On Feb 1, 2013, at 6:16 PM, Ingo Hohmann<context@ingohohmann.de>  wrote:
>
>> Hi,
>>
>> is it possible to define a block, where lines are automatically formatted differently?
>> For example:
>> first line in caps,
>> second in bold,
>> others normal.
>>
>> Is this possible? And how?
> If you mean input lines, then yes.  But if you mean output lines, then I don't know.  It seems a well-defined task, but a hard task judging by how the line-breaking algorithm is described by Knuth.  I'll leave that question to experts.
>
> Here's a way to process the input lines.  If there's a counter that counts the line number, there would be another way; but I couldn't find out that there was a counter.  There may be better ways anyway.
>
> \define\FirstLine{\let\myLine\SecondLine\sc}
> \define\SecondLine{\let\myLine\OtherLine\bf}
> \define\OtherLine{\tf}
> \definelines[doMyLines][command=\myLine]
> \def\startMyLines{\let\myLine\FirstLine\startdoMyLines}
> \def\stopMyLines{\stopdoMyLines}
As I said that works, but while trying to understand this, I found that 
the documentation for \definelines doesn't mention the "command=" 
option. On the other hand it does mention "align=" and this doesn't 
work. Neither does \setuplines.

I always get "undefined control sequence".

\definelines[doFirstBoldRight][command=\myLine]
\setupdoFirstBoldRight[align=flushleft]

OR

\definelines[doFirstBoldRight][align=flushleft,command=\myLine]

gives the same error.

Do you have any idea what I am doing wrong?


Thank you in advance,

Ingo



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