Rik Kabel schrieb am 13.08.18 um 20:27:
> On 8/13/2018 13:46, Wolfgang Schuster wrote:
>>
>> \starttext
>>
>> \BeforePar{\dontleavehmode\llap{? }}\GotoPar
>>
>> \input knuth
>>
>> \startnarrower
>>
>> \BeforePar{\dontleavehmode\llap{? }}\GotoPar
>>
>> \input knuth
>>
>> \stopnarrower
>>
>> \stoptext
>>
>> Wolfgang
>
> I am applying it incorrectly, or it does not work with the buffers 
> created by \grabbufferdata:
>
>     \setupwhitespace[none]
>     \setupindenting[none]
>     \starttexdefinition unexpanded startBufTest
>       \bgroup
>       \dosingleempty\dostartBufTest
>     \stoptexdefinition
>     \starttexdefinition dostartBufTest [#SETUPS]
>       \getrawparameters[BufTest][xx=yy,#SETUPS]
>       \grabbufferdata[TestBuffer][startBufTest][stopBufTest]
>     \stoptexdefinition
>     \starttexdefinition stopBufTest
>       \startnarrower[left,right]
>       \startparagraph
>         \BeforePar{\dontleavehmode\llap{? }}\GotoPar
>         \inlinebuffer[TestBuffer]
>       \stopparagraph
>       \stopnarrower
>       \egroup
>     \stoptexdefinition
>

\starttexdefinition stopBufTest
   \startnarrower[left,right]
   \startparagraph
     \dontleavehmode\llap{? }%
     \blank[overlay]
     \inlinebuffer[TestBuffer]
   \stopparagraph
   \stopnarrower
   \egroup
\stoptexdefinition


Wolfgang