Re: scheme in \layout to produce relative dimensions

[Mats Bengtsson]

Graham Percival wrote:

> I'm trying to produce
> line-width = line-width - 30mm
>
> The docs contain
> \paper {
>   #(define bottom-margin (* 2 cm))
> }
> which I assume means  bottom-margin = bottom-margin*2cm.  If not, 
> please let me know.  :)

As far as I can understand, it should mean
bottom-margin = 2cm
(i.e. 2 times the length of a cm in the units used internally
in LilyPond).

  /Mats