I overlooked that copy-seq is from cl.el. This version uses copy-sequence instead.
Subject: [PATCH v2 0/1] emacs: Pass a copy to notmuch-saved-search-sort-function
Date: Thu, 1 Mar 2012 21:24:37 +0100
Cc:
From: Daniel Schoepe
I overlooked that copy-seq is from cl.el. This version uses copy-sequence instead.