In the following snippet the text is displaced vertically upwards if
the commenting out is removed, i.e. a note appears with more than one
leger line later on the staff.
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\version "2.24"
MI = {
<> ^\markup \bold \italic {"text" }
R1*4/4
R1*4/4
}
MII = {
R1*4/4
R1*4/4
c''1
%c'''1
}
\score {
<<
\new Dynamics \MI
\new Staff \MII
>>
}
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Is this a bug?
Hmm... I'm not seeing anything I would call a bug when I run your example. Here's what it looks like (attached).