Built-in tags (by purpose)

Font and style: Typeface >f number<, bold >bd 0/1<, italic >it 0/1<, hidden text >rem level, mode<, case >small 0/1/2/3<, >outline 0/1<, shadow >shadow 0/1<, color for shadow or outline fill >supco colorname<, shade for shadow or outline fill >supgray 0-100<, slant >slant -360/360<.

Baseline grid and shifts: Baseline grid >grid...<, baseline shifts >jmp<, >d...<, >u...<

Hyphenation: Language >hyp...<, toggle >ehyp...<, insert discretional >dh...<

Colors: Color >co...<, shade >gray...<

Tables: >tabmargin...<, >tabrule..<, define table >t...<, table name >tname...<, reset >tr<, define row, >defrow...<, define cell >defcell...<, start row >starttab<, next cell >tab<, end table >endtab<, format row >row...<, cell >cell...<

Type size: Character size >h value, flag<, character width >w value<, drop capital >dropc...<, drop capital end >dropend<

Paragraph alignment: Alignment >pa...<, last line >q...<, to decimal >qd...<, alternatives (paragraph >pal<,>par<,>pac<,>paj<, last line >ql<,>qr<,>qc<,>qj<)

Text flow: Column width >m...<, column break ì>newarea...<, shrink/stretch >lines..<, keep with next >kn...<, keep together (start) >ktt...< (end) >ktb...<

Leading and spacing: Leading >ld fixed, add, subtract<, first line leading >ta...<

Indents: First line >is...<, left >il...<, right >ir...<, running left ì>itl...<, running right >itr...<

Fillers, variables: Character fill >fill...<, Filler position >fillpos<, insert Integer variable >writei..<, insert string variable >writes..<

Vertical spacing: Fixed space above >a..<, variable space above >eld...<, fixed space below >bld...<

Horizontal spacing: Left >l...<, right >r...<

Tracking and spaceband: Tracking >kern..<, spaceband >spb...<

Rules, images: Area fill (column wide rules) >arl...<, Rule fill >rfill...<, Underline >under...<, Manual rule >rl...<, Inline image >imgid...<, >img...<, >imgfile...<

Status: Globalize tags >default<, Save typographical status >sav<, Restore typographical status >res<

Miscellaneous: Markup script >@...<, Videoplus codes >videoplus...<, Comment >k..<, No operation >nop<