comment-region fixes

--HG--
branch : pmacs2

method/__init__.py

@@ -537,14 +537,17 @@ class CommentRegion(Method):
             w.input_line = "Empty kill region"
             return
 
-        commentc = w.mode.commentc or '#'
+        c   = w.mode.commentc or '#'
+        lvl = w.buffer.detect_indent_level(p1.y, p2.y) or 0
 
-        x = w.buffer.detect_indent_level(p1.y, p2.y) or 0
         for y in range(p1.y, p2.y):
-            c = commentc
-            if len(w.buffer.lines[y]) < x:
-                c += ' ' * (x - len(w.buffer.lines[y]))
-            w.buffer.insert_string(Point(x, y), c)
+            if len(w.buffer.lines[y]) < lvl:
+                pad = lvl - len(w.buffer.lines[y])
+                x   = lvl - pad
+            else:
+                pad = 0
+                x   = lvl
+            w.buffer.insert_string(Point(x, y), ' ' * pad + c)
 
 class UncommentRegion(Method):
     '''Remove a comment from every line in the current buffer'''
@@ -806,17 +809,11 @@ class JustifyLeft(Method):
 class Undo(Method):
     '''Undo last action'''
     def _execute(self, w, **vargs):
-        try:
-            w.undo()
-        except Exception, e:
-            w.set_error("%s" % (e))
+        w.undo()
 class Redo(Method):
     '''Redo last undone action'''
     def _execute(self, w, **vargs):
-        try:
-            w.redo()
-        except Exception, e:
-            w.set_error("%s" % (e))
+        w.redo()
 
 class UnindentBlock(Method):
     '''Prepend a tab of space to each line in region'''