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

[Kieren MacMillan]

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.