<!ELEMENT male (#PCDATA) >
<!ELEMENT female (#PCDATA) >
<!ELEMENT neutral (#PCDATA) >
-<!ELEMENT personalpronouns (singular?, plural?, tense?) >
+<!ELEMENT personalpronouns (singular?, dual?, plural?, tense?) >
<!ELEMENT singular (firstperson, secondperson, thirdperson) >
<!ELEMENT plural (firstperson, secondperson, thirdperson) >
<!ELEMENT firstperson (#PCDATA) >
<!ELEMENT wordtypes (container*) >
<!ELEMENT leitnerboxes (container*) >
-<!ELEMENT container (name, containertype?, inPractice?, image?, containerentry*) >
-<!ELEMENT containertype (lesson|leitnerbox|wordtype|wordtype-noun|wordtype-noun-male|wordtype-noun-female|wordtype-noun-neutral|wordtype-verb|wordtype-adjective|wordtype-adverb) >
-<!ELEMENT inPractice (#PCDATA) >
+<!ELEMENT container (name, specialwordtype?, inpractice?, image?, containerentry*) >
+<!ELEMENT specialwordtype (noun|noun/male|noun/female|noun/neutral|verb|adjective|adverb) >
+<!ELEMENT inpractice (#PCDATA) >
<!ELEMENT containerentry (containertranslation*) >
<!ATTLIST containerentry id CDATA #REQUIRED>
<!ELEMENT containertranslation>
<!ELEMENT example (#PCDATA) >
<!ELEMENT paraphrase (#PCDATA) >
-<!ELEMENT conjugation (tense, singular?, plural?) >
+<!ELEMENT conjugation (tense, singular?, dual?, plural?) >
<!ELEMENT comparison (absolute, comparative, superlative) >
<!ELEMENT absolute (#PCDATA) >