Aw, what the heck. This is a very small change and it looks safe enough.
I am not sure what the usecase is, but I can imagine that some cool things could be done. Let's see where this goes. One thing, though: You will have to be prepared to maintain it yourself.
I can't get it to compile
/home/kdeunstable/parley/src/editor/editor.cpp:398:27: fatal error: parleyadaptor.h: El fitxer o directori no existeix
Have you actually tried over a clean build?