[Lilypond-auto] Issue 3279 in lilypond: space consecutive tempo marks

[lilypond]

Status: Started
Owner: ----
Labels: Type-Enhancement Patch-new

New issue 3279 by address@hidden: space consecutive tempo marks
http://code.google.com/p/lilypond/issues/detail?id=3279

In parts, especially percussion parts, the music can consist mainly of  
tempo changes above multi-measure rests.  By default the tempo marks  
overlap (image left) but with overrides we can now get proper spacing  
(image right).

\layout { \context { \Score
  \override Clef #'break-align-anchor-alignment = #RIGHT
  \override MetronomeMark #'extra-spacing-width = #'(-0.5 . 0.5)
  \override MetronomeMark #'Y-offset = #3.0
  \override MetronomeMark #'outside-staff-padding = #0.8
  \override MetronomeMark #'non-break-align-symbols =
   #'(paper-column-interface)
  \override RehearsalMark #'break-align-symbols =
   #'(staff-bar key-signature clef)
  \override RehearsalMark #'extra-spacing-width = #'(-0.5 . 0.5)
  \override RehearsalMark #'Y-offset = #3.0
  \override RehearsalMark #'outside-staff-padding = #0.8
 } }

These overrides also address issue 1263, issue 1150, and issue 712

I propose we update the defaults
https://codereview.appspot.com/8189043/

The regression test changes mostly show tempo markings moving to the right  
at begin-of-line (issue 1150) and the appearance of 0.8-staff-space padding  
(which was requested by the old defaults but ineffective).

Attachments:
        tempo.ly  4.8 KB
        tempo.png  94.2 KB

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