Re: the note in removed tag still affects the following pitch

[Jinsong Zhao]

On 2014/12/22 11:42, Thomas Morley wrote:
> 2014-12-22 20:05 GMT+01:00 Jinsong Zhao <address@hidden>:
> > Hi there,
> >
> > In the following snippet, \removeWithTag #'b have a different effect with
> > commenting the line of \tag #'b. It seems that the pitch after \tag #'b also
> > affected by the removed tagged expression.
> >
> > \version "2.19.15"
> >
> > music = \relative c'' {
> >    \clef "treble"
> >    \key ees \major
> >    \time 4/4
> >    \tempo 4 = 90
> >      ees4 ees'2.
> >           \tag #'b {aes'2.}
> >      ees,4 ees'2.
> >      aes,1
> > }
> >
> > \new Voice {
> >    \removeWithTag #'b
> >    \music
> > }
> >
> > Any suggestion or comment will be really appreciated.
> >
> > Best regards,
> > Jinsong
>
> See:
>
> http://www.lilypond.org/doc/v2.19/Documentation/notation/different-editions-from-one-source#using-tags
>
> "
> Known issues and warnings
>
> Calling \relative on a music expression obtained by filtering music
> through \keepWithTag or \removeWithTag might cause the octave
> relations to change, as only the pitches actually remaining in the
> filtered expression will be considered. Applying \relative first,
> before \keepWithTag or \removeWithTag, avoids this danger as \relative
> then acts on all the pitches as-input.
> "
>
> Your example should read:
>
> music = {
>    \clef "treble"
>    \key ees \major
>    \time 4/4
>    \tempo 4 = 90
>      ees4 ees'2.
>           \tag #'b { aes'2.^"tagged" }
>      ees,4 ees'2.
>      aes,1
> }
>
> \new Voice {
>    \relative c''
>    \removeWithTag #'b
>    \music
> }
>
> HTH,
>    Harm

Thank you very much for kindly pointing me to that section.

I'm ashamed of myself. I read the manual, but stop just before the section.

Best regards,
Jinsong