mono/monodevelop — pull request #176 by aBothe (2012-03-20 11:06:51+00:00)
Title: [Refactoring] Third-party command handlers can overwrite EditCommands.Rename now

I inserted a validation check so the internal renaming refactoring handler becomes bypassed if it will not be able to handle the current code context.
It's needed especially for other language bindings in order to add custom implementations of that handler