From 3453a0ecb2c272f9d838947f2b15070367946d8a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 24 Jun 2011 17:24:36 -0600
Subject: [PATCH] ...

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

diff --git a/src/calibre/gui2/convert/regex_builder.py b/src/calibre/gui2/convert/regex_builder.py
index b1ea521dc5..c7b03c9bb4 100644
--- a/src/calibre/gui2/convert/regex_builder.py
+++ b/src/calibre/gui2/convert/regex_builder.py
@@ -142,6 +142,8 @@ class RegexBuilder(QDialog, Ui_RegexBuilder):
             try:
                 os.remove(fpath)
             except:
+                # Fails on windows if the input plugin for this format keeps the file open
+                # Happens for LIT files
                 pass
         return True