-\fBform_request_name\fR returns \fBNULL\fR on error and sets errno
-to \fBE_BAD_ARGUMENT\fR.
-.br
-\fBform_request_by_name\fR returns \fBE_NO_MATCH\fR on error.
-It does not set errno.
+\fBform_request_name\fP returns \fBNULL\fP on error and sets \fBerrno\fP
+to \fBE_BAD_ARGUMENT\fP.
+.PP
+\fBform_request_by_name\fP returns \fBE_NO_MATCH\fP on error.
+It does not set \fBerrno\fP.