chord name vertical spacing in 2.7.2x

[Paul Scott]

With at least 2.7.25 through current CVS a minor (:m only one I tested)
chord name takes more vertical space than a simple chordname.

Change one of the "a" chord names in the attached to see this.

Paul Scott


\version "2.7.12"
\include "minorspacenotes.ly"
#(set-global-staff-size 24)

\score { 
  <<
    \context ChordNames {
      \set chordChanges = ##t
      \changes
    }
    \context Staff = soprano <<
      %\override Score.RemoveEmptyVerticalGroup #'remove-first = ##t
      \context Voice = soprano { << \global \melody >> }
                                %\set staff.instrument = "S"
    >>
%    \context Lyrics = soprano { s1 } 
%    \context Lyrics = soprano \lyricsto soprano 
%    \simultaneous {
%      \versei
%    }
                                %\new Staff << \piano >>
  >>
                                %\midi { \tempo 4=66 }
}


\version "2.7.25"
#(set-global-staff-size 21)

\header {
  title = "Chord spacing test"
}

\paper{
  raggedbottom = ##t
  raggedlastbottom = ##t
  betweensystemspace = .03\in
  betweensystempadding = .03\in
  interscoreline = .01\in
}
global = {
                                %\set Score.restNumberThreshold = #0
  \time 3/4 \partial 4 
  s4 s4*3*3 s2 \bar "" \break 
  s4 s4*3*3 s2 \bar "" \break 
  s4 s4*3*3 s2 \bar "" \break 
  s4 s4*3*3 s2 \bar "|." 
}
Key = { \key c \major }
i   = \relative c'' { }
melody = \relative c' {
  \Key
  e4 g2 e4 g2 e4 g2 a4 f2 
  d4 f2 d4 f2 d4 f2 g4 e2 
  c4 e2 c4 e2 c4 e2 f4 d2 
  d4 d2 e4 f2 b,4 c2. ~ c2
}
harmony = \relative c' {
}
changes = \chordmode{ s4 c4*3 c c f g g g c a:m a f d g g c }