Many of David Carlisle's more substantial packages stand on
their own, or as part of the LaTeX tools set; this set
contains: Making dotless 'j' characters for fonts that don't
have them; Fix marks in 2-column output; A method for combining
the capabilities of longtable and tabularx; A proforma for
building personalised LaTeX formats; A jiffy to suppress page
numbers; An environment for including Plain TeX in LaTeX
documents; A jiffy to remove counters from other counters'
reset lists; A package to rescale fonts to arbitrary sizes; A
jiffy to create 'slashed' characters for physicists; and An
environment for including HTML in LaTeX documents.