are understood: s, min, h, d, w, ms, us.</para>
<para>Empty lines and lines starting with # or ; are
- ignored. This may be used for commenting.</para>
+ ignored. This may be used for commenting. Lines ending
+ in a backslash are concatenated with the following
+ line while reading and the backslash is replaced by a
+ space character. This may be used to wrap long lines.</para>
<para>If a line starts with <option>.include</option>
followed by a file name the specified file will be