Re: [Lilypond-auto] Issue 1009 in lilypond: \transpose causes crash (std::logic_error)

[lilypond]

Updates:
        Owner: address@hidden
        Labels: -Patch-countdown Patch-new

Comment #14 on issue 1009 by address@hidden: \transpose causes crash  
(std::logic_error)
http://code.google.com/p/lilypond/issues/detail?id=1009

If we remove the automatic 'normalization' of triple sharps, we get  
duplicate warnings:

warning: Transposing c by aes'' (normalized pitch) makes alteration larger  
than double
warning: Could not find glyph-name for alteration -3/2
 \transpose disis, c { a b
                            c d }

The first warning is not very helpful, compared to the second.  As comment  
#10 says, it could appear when quoting an instrument in a different  
transposition, and is no more helpful there.  If someone defines a  
triple-sharp symbol (or has a double-sharp in some system where that is  
greater than a whole-step) then the printed output can be correct but the  
first warning remains.

Best to catch all problems at the final step, when the accidental is  
chosen.  Output only that second warning.  If there is no correct  
accidental, substitute an open cross to flag the problem.
 http://codereview.appspot.com/22710043

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