>> >> \override VoiceFollower.springs-and-rods = #ly:spanner::set-spacing-rods
>>
>> In case there aren't serious reasons against doing it I suggest to
>> change the default; I would also prepare a patch.
>
> I vaguely remember having #ly:spanner::set-spacing-rods the default
> caused problems with spacing/line-breaks in some cases.
Looking up the e-mail archive for 'lilypond-devel' I couldn't find
relevant info. Do you have a link?
> I'd test very thoroughly.
Yeah, it's seems that one or more regression tests would be necessary.
Werner