[Ten rozdział nie został jeszcze przetłumaczony.]
Choose this menu item if you want to duplicate the currently
active document. A new document window will open with the name of the
document plus the extension kopia
. The new document is
completely independent from the original one.
Zachowai jako. Choose this alternative menu item if you want to save a document with another file name. The document will stay open and gets the name it was actually saved with.