annotate-spacing draws system-system instead of last-bottom

[Mark Polesky]

Guys,

Sorry if the "tiny example" is a little long; it took a
while to verify exactly what was going wrong, and it was
hard to find a combination of parameters that demonstrated
the (deceptively simple) issue clearly at all.

One thing that is tiny though, is the page-size (60x60mm)!
You'll need to zoom in with a pdf-reader.

The page is spaced correctly according to the input.  But
annotate-spacing displays a "phantom" 'system-system-spacing
set of dimensions where 'last-bottom-spacing is actually in
effect.

The (space min-dist padding) parameters given here are:
( 8  8  6) for 'system-system-spacing, and
(15 15 13) for 'last-bottom-spacing.

In the output, you can see where the 'last-bottom-padding
value of 13 influenced the "space left" dimension, but the
display clearly shows the incorrect (8 6 6) dimension set of
'system-system-spacing.

If this is a trivial fix, it would be great if someone could
fix it quickly.  I'm unable to understand the spacing code,
so I use annotate-spacing to quickly double-check my
understanding of the spacing docs, when I'm editing them.

This kind of bug slows my doc-work to a crawl.

Thanks!
- Mark

* * * * * * * * * *

\version "2.13.36"

% effectively makes annotate-spacing show units in millimeters
#(set-global-staff-size (* 4 (/ 72.27 25.4)))

\header { tagline = ##f }

\paper {
  annotate-spacing = ##t

  system-system-spacing =
    #'((space            . 8)
       (minimum-distance . 8)
       (padding          . 6)
       (stretchability   . 8))

  last-bottom-spacing =
    #'((space            . 15)
       (minimum-distance . 15)
       (padding          . 13)
       (stretchability   .  0))

  paper-width = 60\mm
  paper-height = 60\mm
  ragged-last-bottom = ##f
}

\score {
  \new Staff {
    \override Score.BarNumber #'break-visibility = #'#(#f #f #f)
    \clef bass \repeat unfold 8 { c1 }
  }
  \layout {
    left-margin = 5\mm
    right-margin = 5\mm
  }
}

annotate-bug.png
Description: PNG image