Re: Changing the car or cdr of a pair

[David Kastrup]

David Kastrup <address@hidden> writes:

> Menu Jacques <address@hidden> writes:
>
>> Hello folks,
>>
>> The edge-height pair can be given a value with:
>>
>>      \once \override Staff.LigatureBracket.edge-height = #'(0 . +0.7) 
>>
>> but how can I change only one of the members of the pair, leaving the
>> other one as it is?
>
> \once \override Staff.LigatureBracket.edge-height =
> #(grob-transformer 'edge-height
>   (lambda (grob original)
>    (cons 0.3 (cdr original))))
>
> For example.

Malte's suggestion to use \offset does something similar internally and
employs a nicer user interface.

-- 
David Kastrup