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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>
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>


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