From c1fc4595171fa6eec802eb65a0fde0b53878a077 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Mon, 30 Nov 2009 06:26:49 -0500
Subject: [PATCH] Avoid redundant Comment.alt_ids

---
 libbe/comment.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libbe/comment.py b/libbe/comment.py
index 9502adf..c5f1cc9 100644
--- a/libbe/comment.py
+++ b/libbe/comment.py
@@ -366,7 +366,7 @@ class Comment(Tree, settings_object.SavedSettingsObject):
             elif verbose == True:
                 print >> sys.stderr, 'Ignoring unknown tag %s in %s' \
                     % (child.tag, comment.tag)
-        if self.alt_id == None:
+        if uuid != self.uuid and self.alt_id == None:
             self.explicit_attrs.append('alt_id')
             self.alt_id = uuid
         if body != None:
@@ -437,6 +437,8 @@ class Comment(Tree, settings_object.SavedSettingsObject):
                     raise ValueError, \
                         'Merge would change %s "%s"->"%s" for comment %s' \
                         % (attr, old, new, self.uuid)
+        if self.alt_id == self.uuid:
+            self.alt_id = None
         for estr in other.extra_strings:
             if not estr in self.extra_strings:
                 if accept_extra_strings == True:
-- 
2.26.2