TINY-1600: fixed the exact derive
TINY-1600: fixed the exact derive

tinymce/tinymce,tinymce/tinymce,danielpunkass/tinymce,FernCreek/tinymce,TeamupCom/tinymce,FernCreek/tinymce,TeamupCom/tinymce,tinymce/tinymce,danielpunkass/tinymce,FernCreek/tinymce,danielpunkass/tinymce