Updates:
Summary: Long syllables shouldn't be centered under notes
Comment #1 on issue 2453 by [email protected]: Long syllables shouldn't
be centered under notes
http://code.google.com/p/lilypond/issues/detail?id=2453
This enhancement is supported by Elaine Gould (although she's not told me
directly...). Page 439. "Centre each syllable directly under its note.
For very long syllables, place only the first two or three letters to the
left of the note so that the syllable does not start too far before its
sung note."