Fixed a regression in webdav support that broke external editor feature.

doc/CHANGES.rst

@@ -11,6 +11,8 @@ http://docs.zope.org/zope2/releases/.
 Bugs Fixed
 ++++++++++
 
+- Fixed a regression in webdav support that broke external editor feature.
+
 - Restore ability to undo multiple transactions from the ZMI by using the
   `undoMultiple` API.
 

src/webdav/Resource.py

@@ -156,7 +156,7 @@ class Resource(Base, LockableItem):
             if not tag.resource:
                 # There's no resource (url) with this tag
                 tag_list = map(tokenFinder, tag.list)
-                wehave = [tag for tag in tag_list if self.wl_hasLock(tag)]
+                wehave = [t for t in tag_list if self.wl_hasLock(t)]
 
                 if not wehave: continue
                 if tag.NOTTED: continue
@@ -167,7 +167,7 @@ class Resource(Base, LockableItem):
             elif urlbase(tag.resource) == url:
                 resourcetagged = 1
                 tag_list = map(tokenFinder, tag.list)
-                wehave = [tag for tag in tag_list if self.wl_hasLock(tag)]
+                wehave = [t for t in tag_list if self.wl_hasLock(t)]
 
                 if not wehave: continue
                 if tag.NOTTED: continue