Re: dorecurse problem

[Otared Kavian <otared@gmail.com>]

Hi Hans,

Unfortunately your workaround with \getbuffer does not produce the correct page: it gives only a blank page.

Thanks for your attention: OK

> On 20 Jan 2017, at 10:08, Hans Hagen <pragma@wxs.nl> wrote:
> 
> On 1/20/2017 8:59 AM, Aditya Mahajan wrote:
>> On Thu, 19 Jan 2017, Rik Kabel wrote:
>> 
>>> ConTeXters,
>>> 
>>> When \dorecurse is active in the following MWE, the lines of text are
>>> overprinted. At least, this is the case for me, please confirm it for
>>> yourself. When \dorecurse is disabled, the lines print as they should,
>>> separately. Please tell me what I am doing wrong with this, if
>>> anything, and how to fix it. (Running ConTeXt  ver: 2017.01.17 17:37
>>> MKIV beta fmt: 2017.1.19 on Win10 x64. There are no errors in the log.)
>> 
>> This has nothing to do with \dorecurse, but due to the fact that the
>> argument of \dorecurse or any macro is parsed before the catcode changes
>> introduced by \startlines come into effect. Here is a simpler example
>> demonstrating similar behavior:
>> 
>> \def\test#1{#1}
>> 
>> \starttext
>> \test{Something
>> \startlines
>> Line one
>> Line two
>> \stoplines}
>> \stoptext
>> 
>> Depending on what you want to do, it should be possible to come up with
>> a workaround.
> 
> \startbuffer
>  \startstandardmakeup
>    \setlayerframed
>      [blocks]
>      [preset=lefttop,
>       frame=off,
>       align=right]{
>      \startlines
>        Line one on the left
>        Line two on the left
>      \stoplines
>    }
>    \setlayerframed
>      [blocks]
>      [preset=righttop,
>       frame=off,
>       align=flushright]{
>      \startlines
>        thgir eht no eno eniL
>        thgir eht no owt eniL
>      \stoplines
>    }
>  \stopstandardmakeup
> \stopbuffer
> 
>    \dorecurse{1}{
>        \getbuffer
>    }
> 
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>                                          Hans Hagen | PRAGMA ADE
>              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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