Re: \documentvariable (used in environment)

[Henning Hraban Ramm <texml@fiee.net>]

> Am 25.07.2020 um 10:20 schrieb Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>:
> 
> Alan Braslau schrieb am 25.07.2020 um 00:21:
>> On 22/07/20 22:36, Wolfgang Schuster wrote:
>>> What exactly doesn't work and do you get the same problems when you set the values in the following minimal example (everything has to be in the same file).
>>> 
>>> %%%% begin example
>>> \setupdocument
>>>    [metadata:title={\documentvariable{title}},
>>>     metadata:subtitle={\documentvariable{subtitle}},
>>>     metadata:author={\documentvariable{author}},
>>>     metadata:keywords={\documentvariable{keywords}}]
>>> 
>>> \startdocument [title={My title}]
>>> \input knuth
>>> \stopdocument
>>> %%%% end example
>>> 
>>> Wolfgang
>> 
>> Thank you, Wolfgang.
>> 
>> The above example does work. It fails to set the metadata if one moves the \setupdocument to an environment file. As you write, "everything has to be in the same file".
> The requirement was only necessary for the example to check if the metadata end up in the PDF file. You could have a environment file for \setupdocument but the goal here was to check the resulting metadata in the PDF.
>> This is my question, how to set these using an environment file, thus NOT the same file as the \startdocument in a project structure.
> The problem is something in your environment/style file which causes a problem with the \setupdocument setup. What you should do to find the sulprit is:
> 
> 1. Make a copy of your document
> 2. Remove all text between \startdocument and \stopdocument and add some dummy text (like in my example) to ensure ConTeXt produces a PDF
> 3. Remove setups from your environment (but keep the \setupdocument setup) file until the metadata appears in the PDF

A typical case if something in an environment doesn’t work, but in a single file: Are there modes involved? Maybe your \setupdocument is within a \startmode ... \stopmode that doesn’t get activated.

Best, Hraban

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