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<!ELEMENT length          (#PCDATA) >
<!ELEMENT start           (#PCDATA) >
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<!ELEMENT changes         (title, length,
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<!ATTLIST changes         lang ( ru | en) #REQUIRED>

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<!ELEMENT bugfix          (#PCDATA) >
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<!ELEMENT change          (#PCDATA) >
<!ELEMENT workaround      (#PCDATA) >

<!ELEMENT month           (#PCDATA) >
