Re: block with different formatting per line?

["Rogers, Michael K" <mroge02@emory.edu>]

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}

\starttext

\startMyLines
First line in caps,
Second in bold,
Others normal.
Others normal.
Others normal.
\stopMyLines

And again:

\startMyLines
First line in caps,
Second in bold,
Others normal.
Others normal.
Others normal.
\stopMyLines

\stoptext

Michael

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