[elpa] 198/255: don't mutate hidden state

[Eric Schulte]

eschulte pushed a commit to branch go
in repository elpa.

commit 67657a99ffe520cb8b9526af19f85edad1e4135c
Author: Eric Schulte <address@hidden>
Date:   Mon May 20 18:45:15 2013 -0600

    don't mutate hidden state
---
 go-board-faces.el |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/go-board-faces.el b/go-board-faces.el
index ff0bf06..4a0542d 100644
--- a/go-board-faces.el
+++ b/go-board-faces.el
@@ -106,7 +106,7 @@
 
 (defun go-board-mark (overlay mark)
   "Write MARK over top of the SVG image in OVERLAY."
-  (let* ((disp (cdr (overlay-get overlay 'display)))
+  (let* ((disp (cdr (copy-tree (overlay-get overlay 'display))))
          (data (plist-get disp :data)))
     (when (and data (string-match (regexp-quote "</svg>") data))
       (plist-put disp :data (concat (substring data 0 (match-beginning 0))