...
Although the internal implementation and default metalang for gmRTL is quite different, it should be gmRTL language mappings are considerably different from MigrationSupport mappings, it is possible to reproduce MigrationSupport-style translations with if you apply custom migration rules. This The ScriptRules file below is an example of how to revert gmRTL translations back to MigrationSupport conventions if you must complete a project using the deprecated MigrationSupport.dll assembly.
...