Hi,
the following code gives bad output.
%% Start
\version "2.20.0"
one = { e''2 \tag #'score f'' \tag #'part fis'' g''1 }
two = { e''2 d'' g'1 }
\removeWithTag #'score \partCombine \one \two
%% end
Afaict, first bad commit is
commit 615571eda2393eba537c3ad0eb2d424f8dd218b0
Author: Dan Eble <nine.fierce.ball...@gmail.com>
Date: Wed May 27 21:23:45 2015 -0400
Issue 4423: eliminate part combiner's array of context handles (4/4)
The Part_combine_iterator no longer creates or keeps alive the Voice
contexts that it uses. make-directed-part-combine-music does it.
When the Part_combine_iterator needs to redirect a child iterator, it
finds the new Voice by name among the siblings of the current Voice.
which is 2.19.21
Since then the code changed a lot.
As a guess, in `make-directed-part-combine-music` from
music-functions-init.ly of current master, it looks like tags are not
respected for the length of `skip`, but both are counted, thus the
length is off.
Cheers,
Harm
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