Re: Extracting a "score diff" from two [or more] Lilypond sources

[Valentin Petzel]

Hello Kieren,

as long as we can store the Information in the file such formatting things can 
be easily done from within Lilypond. I'll try to do a small example.

Cheers,
Valentin

23.01.2022 17:32:01 Kieren MacMillan <kieren@kierenmacmillan.info>:

> Hi Valentin,
> 
>> What about this: We could have a small script that takes a diff of the new 
>> file
>> and the old file and creates a new version of the new file where all changed
>> (music) lines are tagged. This way we do not need to try to match two streams
>> against the other one, but we do in already know more or less the parts that
>> have changed and the parts that haven’t.
> 
> Oh! This could work as a replacement or even complement to the changes [text] 
> list.
> Could this script, for example, colour all changes red (qv. the regression 
> tests and how the differences are visually obvious)?
> 
> Thanks,
> Kieren.