Re: Compression penalties

[Joe Neeman]

On Sat, 2006-09-02 at 11:54 +0200, Nicolas Sceaux wrote:
> Joe Neeman <address@hidden> writes:
> 
> > On Thu, 2006-08-31 at 22:11 +0200, Nicolas Sceaux wrote:
> >> Joe Neeman <address@hidden> writes:
> >> 
> >> > I want to replace the old page breaker and line breaker with the new
> >> > ones.
> >> 
> >> But please do not delete the old line breaker and its interface, so that
> >> it should still be called by user code.
> >
> > The old line breaker can't be called by user code. Do you mean the page
> > breaker?
> 
> I did mean line breaker, the one that is called via
> ly:paper-book-systems.

Ah, OK. In my working copy, I still have this function except that it
uses the new line breaking algorithm (compression penalties and all).

In order to keep backwards compatibility, I could make compression
penalties configurable (a paper block variable, say). The page breakers
could default to creating line breakers with a positive compression
penalty. Paper_score::get_paper_systems could default to creating a line
breaker with a zero compression penalty (in this case, the new line
breaker should give the exact same result as the old one).

How does that sound?