<para>If invoked with no arguments, it applies all
directives from all configuration files. If one or
<para>If invoked with no arguments, it applies all
directives from all configuration files. If one or
the directives in these files are applied. If only
the basename of a configuration file is specified,
all configuration directories as specified in <citerefentry>
the directives in these files are applied. If only
the basename of a configuration file is specified,
all configuration directories as specified in <citerefentry>
<term><option>--prefix=PATH</option></term>
<listitem><para>Only apply rules that
apply to paths with the specified
<term><option>--prefix=PATH</option></term>
<listitem><para>Only apply rules that
apply to paths with the specified