"bzr tag -rrevid:revid_here tag" fails

[Marien Zwart]

running "bzr tag -rrevid:<email address hidden> tag" in a freshly created standalone dirstate-with-subtree branch with 0.15rc1 fails with:

bzr arguments: [u'tag', u'-rrevid:<email address hidden>', u'tag']
looking for plugins in /home/marienz/.bazaar/plugins
looking for plugins in /usr/lib/python2.5/site-packages/bzrlib/plugins
Plugin name __init__ already loaded
Plugin name __init__ already loaded
Returning RevisionSpec RevisionSpec_revid for revid:<email address hidden>
encoding stdout as sys.stdout encoding 'UTF-8'
got branch format Bazaar Branch Format 6 (bzr 0.15)
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 650, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 612, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 304, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 3347, in run
    branch.tags.set_tag(tag_name, revision_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/tag.py", line 87, in set_tag
    self._set_tag_dict(td)
  File "/usr/lib/python2.5/site-packages/bzrlib/tag.py", line 137, in _set_tag_dict
    self._serialize_tag_dict(new_dict))
  File "/usr/lib/python2.5/site-packages/bzrlib/tag.py", line 144, in _serialize_tag_dict
    return bencode.bencode(td)
  File "/usr/lib/python2.5/site-packages/bzrlib/util/bencode.py", line 297, in bencode
    def bencode(x):
  File "/usr/lib/python2.5/site-packages/bzrlib/util/bencode.py", line 299, in bencode
    encode_func[type(x)](x, r)
  File "/usr/lib/python2.5/site-packages/bzrlib/util/bencode.py", line 279, in encode_dict
    encode_func[type(v)](v, r)
KeyError: <type 'unicode'>

return code 3

[John A Meinel (jameinel)]

Marien produced a fix for this, which was merged as revno 2343