From 1cbb8323af6617d97dee41de74c1c4e4bf095fe1 Mon Sep 17 00:00:00 2001
From: Charles Haley <>
Date: Sat, 17 Sep 2011 12:20:25 +0200
Subject: [PATCH] Search/Repalce: change empty is_multiple columns to operate
 on [''], permitting .* to match the column.

---
 src/calibre/gui2/dialogs/metadata_bulk.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calibre/gui2/dialogs/metadata_bulk.py b/src/calibre/gui2/dialogs/metadata_bulk.py
index 1325bd7c2f..322c09ecbf 100644
--- a/src/calibre/gui2/dialogs/metadata_bulk.py
+++ b/src/calibre/gui2/dialogs/metadata_bulk.py
@@ -535,6 +535,8 @@ class MetadataBulkDialog(ResizableDialog, Ui_MetadataBulkDialog):
                 val = [v.replace('|', ',') for v in val]
         else:
             val = []
+        if not val:
+            val = ['']
         return val
 
     def s_r_display_bounds_changed(self, i):