fixes #16999, ref #15878. Test existence of the stopImmediatePropagation method, which is not available in Android 2.x. !strict.
dom-style: remove a filter for fully opaque objects on old IE, thx thomasbachem, !strict, fixes #15719.
improved undef to not erase the computed url of a module (note that the url *is* recomputed during undef); fixes #17011; !strict
fixed error in test algorithm (the loader was OK); fixes #17032
improved algorithm for determining insertion point of script injection; thanks chris2m; fixes #16958; !strict
make sure the sibling is computed; fixes #16958; !strict
Merge remote-tracking branch 'upstream/master' into custom2