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1.1 ! schwarze 1: .TH STRING-ZEROLENGTH 1 "December 19, 2010" ! 2: .SH NAME ! 3: string-zerolength - handling of zero-length user-defined strings ! 4: .SH DESCRIPTION ! 5: .ds dszero " ! 6: .de dezero ! 7: .. ! 8: use zero-length string: ! 9: x\*[dszero]x ! 10: .dszero ! 11: x ! 12: .PP ! 13: use zero-length macro: ! 14: x\*[dezero]x ! 15: .dezero ! 16: x