2015-03-20 17:23 GMT+01:00 Hans Hagen <pragma@wxs.nl>:

On 3/20/2015 12:05 PM, Norbert Melzer wrote:

Hi!

I have trouble to define macros which are only visible inside a block
defined using `\definestartstop`:

```tex
\setuppapersize[A6]
\definestartstop[Foo][before={Foo}]
\definestartstop[Bar][before={\bgroup\define\Foo{Foo}},after={\egroup}]
%\definestartstop[Baz][before={\bgroup\define[1]\Foo{Foo#1}},after={\egroup}]

\starttext
\startFoo
Bar
\stopFoo

\startBar
\Foo Bar
\stopBar

% \startBaz
% \Foo{Bar}
% \stopBaz
\stoptext
```

The code as above works and typesets "FooBar" on two separate lines. But
if I uncomment everything `Baz`-related, I end up with the following error:

```plain
tex error > error on line 4 in file C:/HIDDEN/mwe.tex: ! Illegal
parameter number in definition of \m_syst_action_yes
<to be read again>
1
<argument> ...{Baz}][{before={\bgroup \define [1]\Foo {Foo##1
}},after={\egroup }}]
\doifnextoptionalelse ...ef \m_syst_action_yes {#1
}\def
\m_syst_action_nop {...
l.4 ...bgroup\define[1]\Foo{Foo#1}},after={\egroup}]
1 \setuppapersize[A6]
2 \definestartstop[Foo][before={Foo}]
3
\definestartstop[Bar][before={\bgroup\define\Foo{Foo}},after={\egroup}]
4 >>
\definestartstop[Baz][before={\bgroup\define[1]\Foo{Foo#1}},after={\egroup}]
5
6 \starttext
7 \startFoo
8 Bar
9 \stopFoo
10
11 \startBar
12 \Foo Bar
13 \stopBar
14
```

Can someone help me get this running?

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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
archive : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________