-e svn+svn://svn.myproject.org/svn/MyProject#egg=MyProject
--editable git://git.myproject.org/MyProject.git@da39a3ee5e6b4b0d3255bfef95601890afd80709#egg=MyProject
--editable hg+http://hg.myproject.org/MyProject/@special_feature#egg=MyProject
-e bzr+lp://MyProject#egg=MyProject
-e path/to/local/package_name
