Re: \left, \right, \up and \down?

[Han-Wen Nienhuys]

Mats Bengtsson wrote:
> Hi,
>
> Why is it that
>   \once \override Score.RehearsalMark #'self-alignment-X = #right
> works well, whereas
>   \once \override Score.RehearsalMark #'self-alignment-X = #left
> produces the error
> "type check for `self-alignment-X' failed; value `#<Music FingerEvent>'
> must be of type `number'"
>
> Similarly, #center and #up works as arguments, but #down fails.
>
> It would be very convenient to have all these macros available and
> it could be a clear improvement to the manual if they were used
> consistently in all the examples and documentation instead of the
> magic numbers +1/0/-1 used today.

Good point.  It's a bug, though,


  left = -1
=>

  '-' DIGIT
=>

  fingering instruction.

fixed in CVS.

It would be good if we started using

  LEFT RIGHT

etc. because we can fold the definitions for Scheme and .ly together.

--
 Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen