David Kastrup <d...@gnu.org> schrieb:
>Urs Liska <u...@openlilylib.org> writes:
>
>> David Kastrup <d...@gnu.org> schrieb:
>>>Colin Tennyson <colintenny...@outlook.com> writes:
>>>
>>>> The LillyPond parser accepts this, there is no error, and the score
>>>_is
>>>> rendered correctly_.
>>>> But as you point out:
>>>> this:
>>>> << \addKey \staffOneNotes >>
>>>> is better written as:
>>>> { \addKey \staffOneNotes }
>>>>
>>>>
>>>> While the { ... } notation is better, LilyPond accepts both: {
>>>\addKey
>>>> \staffTwoNotes } and << \addKey \staffTwoNotes >>. In this case
>both
>>>are
>>>> rendered the same.
>>>
>>>But that's not a given. Take, for example, the output of
>>>
>>>
>>>------------------------------------------------------------------------
>>>
>>>
>>>Also, if you have something like
>>>
>>>\new StaffGroup
>>>{
>>> << \key c\major { c' c' c' c' } >>
>>>}
>>>
>>>you'll likely be surprised by the results...
>>
>> Colin, your example works because you have exactly one music
>> expression inside the angled brackets.
>
>\addKey \staffOneNotes are _two_ music expressions. I used exactly the
>same template for demonstrating things that don't work.
>
>> These let you enter multiple expressions that are interpreted in
>> parallel. And if there is just one expression inside it just does
>> nothing.
>
>But that's not what we had here.
Ok, sorry for not having looked close enough.
--
Urs Liska
openlilylib.org
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