Re: Text listing output in .txt file

[Thomas Morley]

2017-08-02 21:35 GMT+02:00 David Kastrup <address@hidden>:
> Jan-Peter Voigt <address@hidden> writes:
>
>> Hi Daniel and all others,
>>
>> you wrote about a critrical edition. There is scholarly:
>> https://github.com/openlilylib/scholarly
>> where you can add annotations to your score which then can be collected in 
>> another file.
>> If you want to use the EE for tracking, you might use \applyContext
>> #(lambda (context) ... ) .
>> Of course you can use this function right inside your code.
>>
>> I am not at my computer right now, so I can not provide an example
>> (yet). But perhaps someone else can make use of this idea.
>
> \applyContext is called at the time music is interpreted (usually quite
> remote from the text entry).  At that point, (*location*) tends to point
> to something nonsensical, and the execution of \applyContext's function
> does not pass a pointer to the originating music expression (where the
> origin would be recorded).
>
> So one needs to call (*location*) in a wrapper function that then uses
> the result in a closure passed to applyContext.  _If_ one goes the
> applyContext route, that is.
>
> Another option would be to have applyContext fetch the origin and make
> it available in the %location fluid.  That seems a bit wasteful but
> likely would not result in noticeable performance impacts.
>
> --
> David Kastrup



I had sent my previous mail before reading your reply here.

Having taken the applyContext-approach, I see no drawbacks currently.
Needs more testing, ofc


Cheers,
  Harm