[Zope] Version bug?

[Christopher J. Kucera]

Greetings!

I think I may have found a bug in the way Zope handles versions.
To recreate:

1) Set up a version, say, "TestVersion."
2) Rename the version to something else, say, "NewTestVersion."
3) This breaks the following:
   * When you enter the version, the "you are working in" line displays
     "TestVersion"
   * The "Version Management" Control Panel link shows TestVersion as
     well (this breaks the link, too)
   * Any file modified by the version shows up as TestVersion, too.

This happens on:
  Zope version: Zope 2.1.4 (binary release, python 1.5.2, linux2-x86)

Is this a bug?

-CJ