--- trac/mimeview/patch.py.orig	2006-08-26 20:35:09.000000000 +0900
+++ trac/mimeview/patch.py	2006-09-07 19:26:44.464991768 +0900
@@ -155,7 +155,7 @@
                         command, line = line[0], line[1:]
                         # Make a new block?
                         if (command == ' ') != last_type:
-                            last_type = command == ' '
+                            last_type = command == ' ' or command == '\\'
                             blocks.append({'type': last_type and 'unmod' or 'mod',
                                            'base.offset': fromline - 1,
                                            'base.lines': [],
@@ -172,6 +172,11 @@
                         elif command == '-':
                             blocks[-1]['base.lines'].append(line)
                             fromline += 1
+                        elif command == '\\':
+                            blocks[-1]['changed.lines'].append('\\' + line)
+                            blocks[-1]['base.lines'].append('\\' + line)
+                            fromline += 1
+                            toline += 1
                         else:
                             return None
                 line = lines.next()