... SGML . The text/html content type . In this section, we begin the specification of HTML 4.0, starting with the contract between authors, documents, users, and user agents. ... These recommendations are not normative and conformance with this specification does not depend on their realization. ... An HTML document is an SGML document that meets the constraints of this specification. ... A user is a person who interacts with a user agent to view, hear, or otherwise use a rendered HTML document. ...

... ELEMENT (%heading;) - - (%inline;)* -- heading --> <!ATTLIST (%heading;) %attrs; -- %coreattrs, %i18n, %events -- > <!- ... BUTTON) !-- attribute name required for all but submit reset -- ! ELEMENT INPUT - O EMPTY -- form control -- ! ATTLIST INPUT % attrs ; -- % coreattrs , % i18n , % events -- type %InputType; TEXT -- what kind of widget is needed -- name CDATA # IMPLIED -- submit as part of form -- value CDATA # IMPLIED -- required for radio and checkboxes -- checked (checked) ...

astro-ph/0608407 Прямое эмпирическое доказательство существования темной материи (A direct empirical proof of the existence of dark matter) . Authors: Douglas Clowe et al. astro-ph/0608087 Передача энергии при планетных пролетах (The Energy Transfer Process in Planetary Flybys) . Authors: John D. Anderson, James K. Campbell, Michael Martin Nieto . astro-ph/0608257 Гамма-всплеск GRB060614 требует новый механизм взрыва (The gamma-ray burst GRB060614 requires a novel explosive process) . ...