. These implement index entries of the form "x, see y" and "x, see also y".
. However, the DocBook DTD doesn't allow <indexterm> entries
. at the top level, so we have to put the .chapter directive first.
-
-. These do not turn up in the HTML output, unfortunately. The PDF does get them.
-. - Worse - they introduce bugus index entries in the HTML, under the
-. "primary term", a link to the Introduction chapter.
. /////////////////////////////////////////////////////////////////////////////
.chapter "Introduction" "CHID1"