Re: PATCH: Lyrics break estimation of vertical spacing

[Boris Shingarov]

> Alternatively, you could just check explicitly for an
 > empty result in System::part_of_line_pure_height.
 
And if it's empty, then not do the translation at all, right?
Will do this right now and see how much better this
gets us.
 
BTW, what is the correct (supposed) way to run the
regtests?  I am just running Lilypond on all the files
from a bash script, as I can't seem to find the script
that would be supposed to run the suite -- if such a
beast exists.