fix for mutt text-wrapping when dealing with quoted text

--HG--
branch : pmacs2

method.py

@@ -637,6 +637,7 @@ class UncommentRegion(Method):
 class WrapLine(Method):
     '''Wrap the current line at 80 characters by word'''
     limit = 80
+    prefix_re = None
     def _execute(self, w, **vargs):
         cursor = w.logical_cursor()
         old_cursor = cursor
@@ -667,12 +668,14 @@ class WrapLine(Method):
 class WrapParagraph(Method):
     limit = 80
     wrapper = WrapLine
+    empty_re = regex.whitespace
+    prefix_re = None
     def _execute(self, w, **vargs):
         old_cursor = w.logical_cursor()
         i = old_cursor.y
         while i < len(w.buffer.lines) - 1:
             if i < len(w.buffer.lines) and \
-                regex.whitespace.match(w.buffer.lines[i + 1]):
+                self.empty_re.match(w.buffer.lines[i + 1]):
                 break
             EndOfLine().execute(w)
             InsertSpace().execute(w)

mode/mutt.py

@@ -1,3 +1,4 @@
+import re
 import color, mode2, method
 import mode.text
 from lex3 import Grammar, PatternRule
@@ -45,6 +46,7 @@ class MuttWrapLine(method.WrapLine):
 
 class MuttWrapParagraph(method.WrapParagraph):
     wrapper = MuttWrapLine
+    empty_re = re.compile('^[ >\n]*$')
 
 class MuttInsertSpace(mode.text.TextInsertSpace):
     limit   = 72