section_heading: DTD dokument
paragraph_text: Dokument studenti.dtd <!ELEMENT Studenti (Osoba, Studij?, Adresa?, KontaktPodaci?)> <!ELEMENT Osoba (Ime, Prezime?)> <!ELEMENT Ime (#PCDATA)> <!ELEMENT Prezime (#PCDATA)> <!ELEMENT Studij (#PCDATA)> <!ELEMENT Adresa (Ulica?, Broj?, Grad?)> <!ELEMENT Ulica (#PCDATA)> <!ELEMENT Broj (#PCDATA)> <!ELEMENT Grad (#PCDATA)> <!ELEMENT KontaktPodaci (Telefon*, Email+, KorisnickoIme+)> <!ELEMENT KorisnickoIme (#PCDATA)> <!ELEMENT Telefon (#PCDATA)> <!ELEMENT Email (#PCDATA)> <!ATTLIST Osoba id ID #REQUIRED> <!ATTLIST Telefon vrsta (Fiksni|Mobilni) #IMPLIED>