This idea disappoints me. The system-wide Control-Command-D dictionary works in Twitter for Mac: That doesn't work in apps written in almost-facsimiles of Cocoa

This idea disappoints me. The system-wide Control-Command-D dictionary works in Twitter for Mac: That doesn't work in apps written in almost-facsimiles of Cocoa. That's only one example, but these's always something quirky about these replicas which is never desirable.