xsl/groff option argument is listed with the description

<refsection> ....

<varlistentry id="opt-libdir"><term><option>-B</option>
  <replaceable>lisp-lib-dir</replaceable></term>
 <listitem><simpara>Specifies the installation directory.
   This is the directory containing the linking sets and other data files.
<!-- #ifdef UNIX -->
   This option is normally not necessary, because the installation directory
   is already built-in in the <command>clisp</command> executable.
<!-- #endif -->
   Directory <replaceable>lisp-lib-dir</replaceable> can be changed
   dynamically using the symbol-macro <varname>*lib-directory*</varname>.
</simpara></listitem></varlistentry>

-->

.TP
\fB\-B\fR
  \fIlisp\-lib\-dir\fR
Specifies the installation directory\&. This is the directory containing the linking sets and other data files\&. This option is normally not necessary, because the installation directory is already built\-in in the \fBclisp\fR executable\&. Directory \fIlisp\-lib\-dir\fR can be changed dynamically using the symbol\-macro \fI*lib\-directory*\fR\&.

looks like this:

      -B       lisp-lib-dir Specifies the installation directory. This is the
              directory containing the linking sets and other data files. This
              option is normally not necessary, because the  installation  ...

which should be

.TP
\fB\-B\fR \fIlisp\-lib\-dir\fR
.....

and look like this:

      -B lisp-lib-dir
              Specifies the installation directory. This is the
              directory containing the linking sets and other data
              files. This option is normally not necessary, because ...


-- 
Sam Steingold (http://www.podval.org/~sds) running RedHat9 GNU/Linux
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