Slightly changed the format of the generated version when you use

``--tag-build`` on the "egg_info" command, so that you can make tagged
revisions compare *lower* than the version specified in setup.py (e.g. by
using ``--tag-build=dev``).

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041086

setuptools/command/egg_info.py

@@ -124,7 +124,7 @@ class egg_info(Command):
     def tagged_version(self):
         version = self.distribution.get_version()
         if self.tag_build:
-            version+='-'+self.tag_build
+            version+=self.tag_build
 
         if self.tag_svn_revision and os.path.exists('.svn'):
             version += '-%s' % self.get_svn_revision()