Re: \remove "Vertical_align_engraver" creates error message

[David Kastrup]

ArnoldTheresius <address@hidden> writes:

> David Kastrup wrote
>> ...
>> Why are you removing the Vertical_align_engraver ?
>
> the original question at the German Lilypond user forum was:
> Is there a *better method than this dirty removal of the
> "Vertical_align_engraver"* to align vertically two or more tiny \score
> section (with only one staff, usually one measure of length) within a
> \markup text line. The vertical alignment asked for should be based on the
> center of the staff, not on the upper limit of the score-markup extent
> (which mostly depends on the highest note).
>
> A (not very tiny) example would look like this:
> \version "2.16.0" % 2.17.5
> \markuplist { \column {
>     \justified-lines {
>       Measure 36, Viola:
>       \raise #0.56 \score {
>         { \override Staff.TimeSignature #'stencil = ##f
>           \clef alto \key c \major \time 4/4 g''1 }
>         \layout {
>           indent = 0 \mm
>           \context { \Score \remove "Vertical_align_engraver" } } }
>       #(ly:wide-char->utf-8 #x2192)
>       \raise #0.56 \score {
>         { \override Staff.TimeSignature #'stencil = ##f
>           \clef alto \key c \major \time 4/4 c'1 }
>         \layout {
>           indent = 0 \mm
>           \context { \Score \remove "Vertical_align_engraver" } } } } }

I have closed issue 3158 as "Invalid" since it would appear that since
issue 3187
<URL:https://code.google.com/p/lilypond/issues/detail?id=3187> and
version 2.17.14 there is no more motivation for removing the
Vertical_align_engraver.  The given example works fine without doing so.

-- 
David Kastrup