Mats Bengtsson wrote:
Quoting Marcus Macauley <[EMAIL PROTECTED]>:
mypitch = #0
#(define mypitch 0)
One of them is enough!
That's why I said I "put one of these lines at the beginning of the file".
When I got the error, I tried defining the variable in Scheme (second line
above) instead of Lilypond (first line above), since I didn't know what
else to try. Not surprisingly, it didn't make any difference.
(ly:make-pitch 1 $mypitch 0)
but when I do that, it complains:
"ERROR: Unbound variable: $mypitch"
Did you try to remove the "$"?
That's it - thanks!
I was confused by the use of the dollar sign ($) in, e.g., "12.1.2 Simple
substitution functions", which I now see is necessary because it's within
a #{ #} block which takes "normal LilyPond input, using variables as
#$var1" (12.1.1), as opposed to Scheme input (my example), in which
variables are referred to simply by their name, e.g., var1.
I still don't understand, though, why sometimes #$var1 is used and
sometimes $var1 is used in the examples, including those on the "12.1.2
Simple substitution functions" page. I notice that in the bottom example
on that page, $padding can be replaced with #$padding, but $marktext
cannot be replaced with #$marktext, without generating an error. Surely
there's a reason for this, but it's not obvious from the documentation.
Marcus
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