\dt \I{\cw{\\cfg\{html-nav-next-text\}}}\cw{\\cfg\{html-nav-next-text\}\{}\e{text}\cw{\}}
-\dd The text used for the \q{previous page} and \q{next page} links on
-the navigation bar.
+\dt \I{\cw{\\cfg\{html-nav-up-text\}}}\cw{\\cfg\{html-nav-up-text\}\{}\e{text}\cw{\}}
+
+\dd The text used for the \q{previous page}, \q{next page}, and \q{up}
+links on the navigation bar.
\dt \I{\cw{\\cfg\{html-nav-separator\}}}\cw{\\cfg\{html-nav-separator\}\{}\e{text}\cw{\}}
\dd This directive lets you specify a \i{template}, with exactly the
same syntax used in \cw{\\cfg\{html-template-filename\}} (see
-\k{output-html-file}), to be used for the anchor names (\i\cw{<a
-name="...">}) used to allow URLs to refer to specific sections
+\k{output-html-file}), to be used for the anchor names (\i\cw{<A
+NAME="...">}) used to allow URLs to refer to specific sections
within a particular HTML file. So if you set this to \cq{%k},
for example, then each individual section in your document will be
addressable by means of a URL ending in a \c{#} followed by your
file. If it is set to \c{false}, they will only be included as HTML
comments.
+\dt \I{\cw{\\cfg\{html-rellinks\}}}\cw{\\cfg\{html-rellinks\}\{}\e{boolean}\cw{\}}
+
+\dd If this is set to \c{true}, machine-readable relational links will
+be emitted in each HTML file (\I{\cw{<LINK>} tags}\cw{<LINK
+REL="}\e{next}\cw{">} and so on within the \i\cw{<HEAD>} section)
+providing links to related files. The same set of links are provided
+as in the navigation bar (with which this should not be confused).
+
+\lcont{
+
+Some browsers make use of this semantic information, for instance to
+allow easy navigation through related pages, and to prefetch the next
+page. (Search engines can also make use of it.) However, many browsers
+ignore this markup, so it would be unwise to rely on it for
+navigation.
+
+The use and rendering of this information is entirely up to the
+browser; none of the other Halibut options for the navigation bar will
+have any effect.
+
+}
+
\dt \I{\cw{\\cfg\{html-suppress-navlinks\}}}\cw{\\cfg\{html-suppress-navlinks\}\{}\e{boolean}\cw{\}}
-\dd If this is set to \c{true}, the usual \i{navigation links} at the
-top of each HTML file will be suppressed.
+\dd If this is set to \c{true}, the usual \i{navigation links} within
+the \e{body} of each HTML file (near the top of the rendered page) will
+be suppressed.
\dt \I{\cw{\\cfg\{html-suppress-address\}}}\cw{\\cfg\{html-suppress-address\}\{}\e{boolean}\cw{\}}
duplicate them.
\b \cw{\\cfg\{html-suppress-address\}\{true\}}, because the
-\cw{<address>} section makes less sense in a help file than it does
+\cw{<ADDRESS>} section makes less sense in a help file than it does
on a web page.
\S{output-html-defaults} Default settings
\c \cfg{html-post-versionid}{]}
\c \cfg{html-nav-prev-text}{Previous}
\c \cfg{html-nav-next-text}{Next}
+\c \cfg{html-nav-up-text}{Up}
\c \cfg{html-nav-separator}{ | }
\c
\c \cfg{html-output-charset}{ASCII}
\c \cfg{html-version}{html4}
\c \cfg{html-template-fragment}{%b}
\c \cfg{html-versionid}{true}
+\c \cfg{html-rellinks}{true}
+\c \cfg{html-suppress-navlinks{false}
\c \cfg{html-suppress-address}{false}
\c \cfg{html-author}{}
\c \cfg{html-description}{}
\b \cw{Courier-BoldOblique}
-These fonts can be used without further formality. To use any other font,
-Halibut needs at least to know its measurements, which are provided in an
-\i{Adobe Font Metrics} (\I{AFM files}AFM) file. Halibut can also
-\I{embedding fonts}embed
-\i{Type 1 fonts} in its PDF and PostScript output if provided with an
-ASCII-format (\I{PFA files}PFA) font file. To provide an AFM or PFA file
-to Halibut, simply name it on Halibut's command line. If both are named,
-the AFM file must come first.
+These fonts can be used without further formality. To use any other
+font, Halibut needs at least to know its measurements, which are
+provided in an \i{Adobe Font Metrics} (\I{AFM files}AFM) file.
+Halibut can also \I{embedding fonts}embed \i{Type 1 fonts} in its PDF
+and PostScript output if provided with font file in either hexadecimal (\I{PFA
+files}PFA) or IBM PC (\I{PFB files}PFB) format. To provide
+an AFM, PFA, or PFB file to Halibut, simply name it on Halibut's command
+line. If a PFA or PFB file is specified, the corresponding AFM file
+must come first.
\ii{Font sizes} are specified in PostScript \i{points} (72 to the inch).