% language=us

\environment interaction-style

\startcomponent interaction-tagging

\startchapter[title=Tagging]

In a tagged \PDF\ document the page stream is enriched (or polluted) by marks
that indicate what kind of content is involved.

\starttyping
\setuptagging[state=start]
\stoptyping

Only the \type {state} parameters is of general use.

\showsetup {setuptagging}

The \TEX\ end of this mechanism overlaps with the export related tagging so when
you add your own elements that will be reflected in the tagging. And indeed: the
keyword here is structure. The worse the structure, the worse the tagging.

\stopchapter

\stopcomponent
