Text markup in part combining

[Carter Brey]

Hi,

Am in the midst of a large Tchaikovsky orchestral score (Lilypond 
version 1.5.58). I'm finding that code such as this:

c_#'((italic) "cresc.")

if entered in each of two parts that share a staff (e.g. clarinet I and 
clarinet II) will result in two iterations of the text below the staff, 
despite this:

\context Voice=one  \partcombine Voice
           \context Thread=one \clarinetI
           \context Thread=two \clarinetII 

having been correctly entered in the score.ly file. This does not happen 
with "\<  \!" or "\cresc \endcresc".

I can send along the files in zipped format but thought I'd save the 
bandwidth first in case there's a simple explanation.

Thanks,
Carter

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