Chord names collide with notes (vertical space missing on second line staff)

> % no problem without mark alignment to the left or lyrics % third staff line is to show that there's no problem after second line \score { << \new ChordNames = "chords" \chordmode { \repeat unfold 6 {g1 c:m } } \new Voice = "theme"{ \repeat unfold 3 { \once

layout problem with chords

> I'm not top posting. %% the space between the two notes should not be so wide %% the problem is reproducible with 2.12 versions \version "2.13.5" \score { << \new ChordNames { \chordmode { d2:7.9-.11- } } \relative c'' { d'16 d r4. r2 } >> }