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Re: SeparationItem #'padding not working anymore?


From: Mats Bengtsson
Subject: Re: SeparationItem #'padding not working anymore?
Date: Sun, 01 Mar 2009 09:17:20 +0100
User-agent: Internet Messaging Program (IMP) H3 (4.0.5)

Quoting Patrick McCarty <address@hidden>:

On Sat, Feb 28, 2009 at 6:00 AM, Valentin Villenave
<address@hidden> wrote:
2009/2/2 Joe Neeman <address@hidden>:
On Fri, 2009-01-30 at 12:21 -0600, Jonathan Kulp wrote:
Ok Graham.  I've been trying for 20 minutes and can't figure how to use
PaperColumn to change spacing, though.  Joe, could you send me a snippet
that shows how to use this?

This is very embarrassing, I'm just testing the fix:

spacing-spanner.cc:306:
set_column_rods (cols, 0.1); // FIXME: padding

Greetings Joe,

where are we now? Does this SeparationItem thingy deserve an issue in
the tracker?

I don't think it deserves an issue.

We have two options:

1) Remove SeparationItem from LilyPond's source
(scm/define-grobs.scm).  Then we would need a convert-ly rule.
2) Keep SeparationItem, even though it is never used.

I guess it all depends on whether SeparationItem will ever be used
again in the future.

The main thing is that the documentation is modified to show a solution that works, i.e. that gives the same result as you previously could obtain setting SeparationItem #'padding = ...

You raise a completely different question, namely what the general strategy is for phasing out obsolete properties/engravers/grobs. This is far from the first time, such things happen, and previously it has often taken quite some time before somebody really has taken the effort to clean it up properly (removing the corresponding source code and documentation and adding a convert-ly rule).

   /Mats





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