Re: music starting with afterGrace breaks layout

[David Kastrup]

Thomas Morley <address@hidden> writes:

> 2017-02-22 18:44 GMT+01:00 Klaus Rettinghaus
> <address@hidden>:
>> Hi there,
>>
>> when the music starts with an \afterGrace the layout is broken:
>>
>> \relative { \time 2/4 \afterGrace g'2 { f8[ g] } f2 }
>>
>>
>> You have to put something before that to make it work:
>> \relative { \time 2/4 s2*0 \afterGrace g'2 { f8[ g] } f2 }
>>
>> This is present in 2.18.2. and 2.19.55 (Mac).
>>
>> Cheers,
>> Klaus
>
> Hi Klaus,
>
> thanks for the report.
>
> \afterGrace returns simultaneous music.
> If no context exists before, LilyPond creates them. In the case of
> afterGrace Staves for each musical expression in the created list.
> Another example would be: << c c >>
>
> So I don't think it qualifies as a bug, but expected (though
> undesired) behaviour. Not sure whether it's fixable in the
> afterGrace-definition.

Easy enough: wrap a (descend-to-context ... 'Bottom) around its
definition.  However, this breaks \displayLilyMusic in bewildering ways.

Still trying to figure out what's happening there.

-- 
David Kastrup