From ed2b94ac9d98be1ed3564c36071b62e6335ea60d Mon Sep 17 00:00:00 2001
From: John Schember <john@nachtimwald.com>
Date: Sat, 5 Feb 2011 10:46:32 -0500
Subject: [PATCH] Heuristics: Tweak italicize patterns to make them more
 robust.

---
 src/calibre/ebooks/conversion/utils.py | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/calibre/ebooks/conversion/utils.py b/src/calibre/ebooks/conversion/utils.py
index 63eca10714..e8e2a82949 100644
--- a/src/calibre/ebooks/conversion/utils.py
+++ b/src/calibre/ebooks/conversion/utils.py
@@ -149,17 +149,17 @@ class HeuristicProcessor(object):
         ]
 
         ITALICIZE_STYLE_PATS = [
-            r'(?msu)(?<=\s)_(?P<words>\S[^_]{0,40}?\S)?_(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)/(?P<words>\S[^/]{0,40}?\S)?/(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)~~(?P<words>\S[^~]{0,40}?\S)?~~(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)\*(?P<words>\S[^\*]{0,40}?\S)?\*(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)~(?P<words>\S[^~]{0,40}?\S)?~(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)_/(?P<words>\S[^/_]{0,40}?\S)?/_(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)_\*(?P<words>\S[^\*_]{0,40}?\S)?\*_(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)\*/(?P<words>\S[^/\*]{0,40}?\S)?/\*(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)_\*/(?P<words>\S[^\*_]{0,40}?\S)?/\*_(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)/:(?P<words>\S[^:/]{0,40}?\S)?:/(?=[\s\.,\!\?])',
-            r'(?msu)(?<=\s)\|:(?P<words>\S[^:\|]{0,40}?\S)?:\|(?=[\s\.,\!\?])',
+            r'(?msu)(?<=[\s>"])_(?P<words>[^_]+)?_',
+            r'(?msu)(?<=[\s>"])/(?P<words>[^/]+)?/',
+            r'(?msu)(?<=[\s>"])~~(?P<words>[^~]+)?~~',
+            r'(?msu)(?<=[\s>"])\*(?P<words>[^\*]+)?\*',
+            r'(?msu)(?<=[\s>"])~(?P<words>[^~]+)?~',
+            r'(?msu)(?<=[\s>"])_/(?P<words>[^/_]+)?/_',
+            r'(?msu)(?<=[\s>"])_\*(?P<words>[^\*_]+)?\*_',
+            r'(?msu)(?<=[\s>"])\*/(?P<words>[^/\*]+)?/\*',
+            r'(?msu)(?<=[\s>"])_\*/(?P<words>[^\*_]+)?/\*_',
+            r'(?msu)(?<=[\s>"])/:(?P<words>[^:/]+)?:/',
+            r'(?msu)(?<=[\s>"])\|:(?P<words>[^:\|]+)?:\|',
         ]
 
         for word in ITALICIZE_WORDS: