Originally reported by Geoffrey Sneddon as issue 21
Work started on this in r944, but that only touched == and != leaving implicit comparison untouched (e.g., if ($var). This probably means searching through simplepie.inc for all if, for, and while statements. Not fun.
However lacking in excitement this is, it needs to be done — bugs have already slipped through because of this.
Fixed one instance of this in simplepie@478aeac
There are definitely instances of implicit loose comparison lurking around though, and I'll try and fix those tomorrow.