Thanks again for your No 1 Tag editor.
In the Extended tag Dialog, there is a button to give the value of < blank > to the fields (to clear them) . why not using similar option to give the value of < keep > t the fields?? u can assign a hot key (for example "Insert") to it. in would be useful when the first button I mentioned is wrongly pressed. without this I have to cancel the dialog & do what I done all over again.
PS. It would be useful if fields in extended tag panel worked like fields in normal tag panel. (showing info of selected files in drop down)