.Ar value
will be provided to the filter or reader named
.Ar module .
-The return value will be that of the module.
+The return value will be either
+.Cm ARCHIVE_OK
+if the option was successfully handled or
+.Cm ARCHIVE_WARN
+if the option was unrecognized by the module or could otherwise
+not be handled.
If there is no such module,
.Cm ARCHIVE_FAILED
will be returned.
.Cm ARCHIVE_FAILED
in all other cases.
.\"
-.It Xo
-.Fn archive_write_set_option
-.Xc
+.It Fn archive_write_set_option
Calls
.Fn archive_write_set_format_option ,
then
immediately.
Otherwise, greater of the two values will be returned.
.\"
-.It Xo
-.Fn archive_write_set_options
-.Xc
+.It Fn archive_write_set_options
.Ar options
is a comma-separated list of options.
If
.Ed
.\"
.Sh ERRORS
-Detailed error codes and textual descriptions are available from the
+More detailed error codes and textual descriptions are available from the
.Fn archive_errno
and
.Fn archive_error_string