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Re: Double transpose when in tags within music function
From: |
Ole V . Villumsen |
Subject: |
Re: Double transpose when in tags within music function |
Date: |
Sat, 11 Jan 2014 14:34:59 +0000 (UTC) |
User-agent: |
Loom/3.14 (http://gmane.org/) |
David Kastrup <dak <at> gnu.org> writes:
> No, it doesn't. There are several other operations that will fail or
> cause surprises. Your mistake is using #theMusic twice without creating
> a copy, so indeed the same music gets transposed twice and used twice.
> Write $theMusic instead: that creates an actual copy. Or write
> #(ly:music-deep-copy theMusic) which is semantically the same as
> $theMusic.
Thank you, Urs, for the easy fix to my problem, and David for the
explanation. I'll go decide whether I think it's just me who needs
practicing reading the docs or it's also the docs that could use
clarification ... :-)
/Ole