webkit3 update x86-32 version for fedora 20. webkitgtk3-2.4.2-4.fc21 from fc21 repo
webkit3 version 2.3.1 and upper contains add_event_listener fixes.
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/mingpj2/wk3-update1-f20x32/