Hello all,
I am just now learning how to use labels and \page-ref to retrieve the page
number where a label is located.
I would like to use the value returned by \page-ref to do simple math in
Scheme. I am able to pass the label to a markup command, but I can't figure out
how to get it into a number format so I can manipulate it. Any tips? Here is my
tiny example:
\version "2.24"
{
\label #'myLabel
c4 c c
}
#(define-markup-command
(page-number-calculations layout props label) (markup?)
; Throws error "Wrong type argument in position 1"
(interpret-markup layout props (+ label 1))
)
myLabel = \markup { \page-ref #'myLabel "0" "?" }
\markup \page-number-calculations \myLabel
