/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/ is in libgnumail-java-doc 1.1.2-7.
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/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/AddressException.html
/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/ContentDisposition.html
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/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/HeaderTokenizer.Token.html
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/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/InternetAddress.html
/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/InternetHeaders.InternetHeader.html
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/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/MailDateFormat.html
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/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/NewsAddress.html
/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/ParameterList.html
/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/ParseException.html
/usr/share/doc/libgnumail-java/api/javax/mail/internet/class-use/SharedInputStream.html