Added align attribute to headers with same values and meaning as for paragraphs. This are enabled with the HTML.icons switch. Dropped the LIT element and changed the TAB element over to the LaTeX model. Made anchor NAME attribute conditional on HTML.obsolete Added HTML.obsolete for obsoleted HTML elements Added SIG attribute to A and LINK for specifying a digital signature to attest that a linked document is unchanged. SRC attribute added to NOTE to allow authors to override the default icon chosen on the basis of the ROLE attribute.
Forms now support a link to a script for client-side execution of constraints.
DIV6 and P no longer permit the start tag to be omitted. This was regrettably forced by a restriction in the SGML standard. Fixed some errors in earlier version to do with start tags and definitions of parameter entities. The content model for FIG has been changed to use a P element for text to avoid an SGML parsing problem with a line break before the caption. Right Part of Latin Alphabet Nr.