Re: music function to be included somewhere in scm/*

[Paul]

Hi Knut, Werner, Alexander, and everyone,

On 12/20/2016 08:47 AM, Knut Petersen wrote:
> Hi Werner!
> > >       (length-limit-or-forced-length ,ly:dimension? "An automatically
> > > generated lyric extender is suppressed if it would be shorter than
> > > this length. A forced lyric extender is given this length if
> > > possible.")
> > Sorry, but I strongly dislike collapsing two properties into one, even
> > if the values for the two properties are always the same.  So please
> > use `collapse-length' (`suppress-threshold', etc.) and
> > `forced-length'.
>
> I'll implement whatever the majority agrees upon.
>
> Nevertheless: two parameters would obfuscate the fact that
> the internal logic would always decide to use only one  of those
> lengths and to ignore the other.
>
> For the case of two parameters I like best:
>
> (forced-length ,ly:dimension? "A forced lyric extender
> is given this length if possible.")
> (collapse-length ,ly:dimension? "An automatically generated
> lyric extender is suppressed if it would be shorter than
> this length.")
>
> Paul?

I'm fine with using two properties, as Werner prefers, and as in this 
suggestion from Knut.

When I suggested using fewer properties I didn't fully understand all 
the details.  (The music I typeset rarely involves lyric extenders.)  
Alexander's explanation and further discussions have helped me get it, 
but I hadn't had a chance to reply sooner.

Thanks again for working on this,
-Paul