Re: Compression penalties

[Nicolas Sceaux]

Joe Neeman <address@hidden> writes:

> 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?

Oh, sorry, I misunderstood you. As long as there is a
ly:paper-book-systems interface which computes paper systems for a book
(without considering page breaks), that's OK.

nicolas