temporarily forcing notes to ignore LyricText width

[Kieren MacMillan]

Hello all,

In the attached snippet, you can see how the notes are evenly spaced when there 
is enough overall width (page 1), but become unevenly spaced when the width is 
at all cramped (page 2).

An automagic fix for this issue is part of the GSoc Lyric overhaul, and hence 
is a long way off from being implemented [if ever!]. In the meantime, I would 
love a tweak that would allow me to tell Lily to ignore the LyricText grobs 
when spacing that measure; I would then go and nudge the individual grobs left 
or right as necessary to make the measure look great.

Unfortunately, I can’t seem to find the correct incantation. (Note: I’ve tried 
setting LyricText.X-extent and #'extra-spacing-width, but with unexpected and 
not uniform results.)

Thanks,
Kieren.

p.s.  Bonus points if this tweak can be applied “externally” (i.e., via the 
edition-engraver).
________________________________

Kieren MacMillan, composer
‣ website: www.kierenmacmillan.info
‣ email: address@hidden

%%%%  SNIPPET BEGINS
\version "2.19.30"
\language "english"

#(set-global-staff-size 15.5)
\paper {
  ragged-right = ##f
  indent = 0
}

global = {
  \key g \major
  \time 3/2
  s1.
}

theNotes = {
    <d' d''>8 <fs' fs''> <e' e''> <e' e''>] <d' d''> q <b b'> <fs' fs''> <e' 
e''> q <d' d''> q   | %
}

theLyrics = \lyricmode {
    ez, Ron -- sard me cé -- lé -- brait, du temps que j'ét -- ais
}

theScore = <<
      \new Staff \new Voice << \global \theNotes >>
      \addlyrics \theLyrics
    >>

\bookpart {
  \paper { line-width = 6\in }
  \score { \theScore }
}

\bookpart {
  \paper { line-width = 3\in }
  \score { \theScore }
}
%%%%  SNIPPET ENDS