Re: [Lilypond-auto] Issue 3056 in lilypond: Barring example in Notation Reference

[lilypond]

Comment #6 on issue 3056 by address@hidden: Barring example in Notation  
Reference
http://code.google.com/p/lilypond/issues/detail?id=3056

I think the interface is poor.  \startTextSpan and \stopTextSpan are  
implementation details and don't belong in the user interface for \barre.   
Even worse is that \barre is a standalone event, and \startTextSpan and  
\stopTextSpan are postevents.

That's quite broken.  Instead we should have something like
beginBarre =
#(define-event-function ...
    #{ \tweak bound-details.left.text \markup \small \bold ...
       \tweak bound-details.style #'line
       \tweak ...
       \startTextSpan
    #})
endBarre = \stopTextSpan

and then use it as
c4\beginBarre 2 3 c c \times 2/3 { c8 c c\endBarre }

I am suggesting begin/end instead of start/stop here since one does  
not "stop" a barre according to my gut feeling.