From 5fa80a52a92a135e5295b9052c067fcc58c032b4 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 30 Sep 2008 07:59:00 -0700
Subject: [PATCH] Fix #1100 (LRF Conversion Error)

---
 src/calibre/ebooks/metadata/opf.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/calibre/ebooks/metadata/opf.py b/src/calibre/ebooks/metadata/opf.py
index 46ed9c14ea..69054571ec 100644
--- a/src/calibre/ebooks/metadata/opf.py
+++ b/src/calibre/ebooks/metadata/opf.py
@@ -28,7 +28,10 @@ class ManifestItem(Resource):
         if item.has_key('href'):
             href = item['href']
             if unquote(href) == href:
-                href = quote(href)
+                try:
+                    href = quote(href)
+                except KeyError:
+                    pass
             res = ManifestItem(href, basedir=basedir, is_path=False)
             mt = item.get('media-type', '').strip()
             if mt: