Help and man page formats work similarly. HTML is slightly
different, since it also arranges for single-file output if you pass
a filename to \c{--html}; so \c{--html=myfile.html} is equivalent to
-\c{--html -Cxhtml-single-filename:myfile.html -Cxhtml-leaf-level:0}.
+\c{--html -Chtml-single-filename:myfile.html -Chtml-leaf-level:0}.
(See \k{output} for explanations of all these configuration
directives.)
}
+\dt \I{character sets, enumerating}\i\cw{--list-charsets}
+
+\dd List character sets known to Halibut.
+
\dt \i\cw{--help}
\dd Print a brief help message and exit immediately. (Don't confuse