Chord spacing issues in 2.11 series

[Shamus]

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Hi all,

I recently upgraded from 2.10.33 to 2.11.52 and noticed that
SeparatingGroupSpanner is no longer available. I used to use it to keep
my chord names from running into each other with

\override SeparatingGroupSpanner #'padding = #'2.0

in my ChordNames context, but it seems to have been removed. Funny thing
is the documentation still refers to it even though it's no longer on
the Internals Reference page. Is this a bug? If not, what can I do to
keep my chord names from crowding each other? I've looked over the
documentation but so far have been unable to find anything suitable.

Thanks,
- -- Shamus

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