rem: KMMessage * last = mComposer->mMessageList.back(); mComposer->mMessageList.pop_back(); mComposer->mMessageList.back()->setUnencryptedMsg( last );
add: composeMessage();
context:   void execute() {    KMMessage * last = mComposer->mMessageList.back();    mComposer->mMessageList.pop_back();    mComposer->mMessageList.back()->setUnencryptedMsg( last );  }