: links ( apropos -- seq )
[ swap <simple-link> ] { } assoc>map ;
-: ?links ( has-links? apropos -- has-links? seq )
- links [ empty? not or ] keep ;
+: ?links ( has-links? apropos -- has-links? seq/f )
+ links [ f ] [ nip t swap ] if-empty ;
:: <search-action> ( help-dir -- action )
<page-action>