[Lilypond-auto] Issue 3253 in lilypond: NR 3.3.2, Using tags: add a warning about the use of \relative with \tag

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Documentation

New issue 3253 by address@hidden: NR 3.3.2, Using tags: add a warning  
about the use of \relative with \tag
http://code.google.com/p/lilypond/issues/detail?id=3253

Reported by Trevor here:
http://lists.gnu.org/archive/html/bug-lilypond/2013-03/msg00069.html

It refers to a discussion on lilypond-user:
http://lists.gnu.org/archive/html/lilypond-user/2013-03/msg00772.html

David pointed out:

"\relative is a music function that leaves behind absolute music.
So if you have

melody = \relative { ... \tag ... \tag ... }

then \melody contains only absolute music and

  \removeWithTag #'xxx \melody

will work fine.  If you do

\relative \removeWithTag ...

then things will go haywire as \relative will now be run on already
reduced music.  So as long as you apply \relative before removing
tagged/untagged music, you should get consistent results."

Trevor proposed to add a warning in NR 3.3.2, Using tags:
http://www.lilypond.org/doc/v2.17/Documentation/notation/different-editions-from-one-source#using-tags


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