\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
\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)
+REL="next">} 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).
Some browsers make use of this semantic information, for instance to
allow easy navigation through related pages, and to prefetch the next
-page. However, many browsers ignore this markup, so it would be unwise
-to rely on it for navigation.
+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
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-include-rellinks}{false}
+\c \cfg{html-rellinks}{true}
\c \cfg{html-suppress-navlinks{false}
\c \cfg{html-suppress-address}{false}
\c \cfg{html-author}{}
various kinds of text. Directives for setting the font normally take
three font names, the first of which is used for normal text, the
second for emphasised text, and the third for code. Any fonts which
-aren't specified are left unchanged. Fonts are named using their
-PostScript names.
+aren't specified are left unchanged.
Halibut intrinsically knows about some fonts, and these fonts are also
-built into all PDF and most PostScript implementations. These are:
-
-\b \cw{Times-Roman}
-
-\b \cw{Times-Italic}
-
-\b \cw{Times-Bold}
-
-\b \cw{Times-BoldItalic}
-
-\b \cw{Helvetica}
-
-\b \cw{Helvetica-Oblique}
-
-\b \cw{Helvetica-Bold}
-
-\b \cw{Helvetica-BoldOblique}
-
-\b \cw{Courier}
-
-\b \cw{Courier-Oblique}
-
-\b \cw{Courier-Bold}
-
-\b \cw{Courier-BoldOblique}
-
+built into all PDF and most PostScript implementations.
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.
line. If a PFA or PFB file is specified, the corresponding AFM file
must come first.
+Fonts are specified using their PostScript names. Running Halibut with
+the \i\cw{\-\-list-fonts} option causes it to display the PostScript
+names of all the fonts it intrinsically knows about, along with any
+fonts the were supplied as input files.
+
\ii{Font sizes} are specified in PostScript \i{points} (72 to the inch).
\dt \I{\cw{\\cfg\{paper-title-fonts\}}}\cw{\\cfg\{paper-title-fonts\}\{}\e{normal-font}\cw{\}}[\cw{\{}\e{emph-font}\cw{\}}[\cw{\{}\e{code-font}\cw{\}}]]