Def has-src(i;k) == isrcv(k)source(lnk(k)) = i

is mentioned by

Def da-outlinks(da;i) Def == mapfilter(k.da-outlink-f(da;k);k.has-src(i;k);fpf-dom-list(da))

[da-outlinks]

In prior sections: mb event system 2

Try larger context: EventSystems IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html