Now you can set extra MTASC parameters in mtasc.yaml Removed -keep option in MTASC command line (it can be added as an extra parameter) Made XTrace optional. To use it, set trace: xtrace Changed: U trunk/Bundles/ActionScript.tmbundle/Support/Tools/build_with_mtasc.rb U trunk/Bundles/ActionScript.tmbundle/Support/mtasc.yaml