I believe it should be as simple as adding ePoitnerUp/Down [to this list](https://searchfox.org/mozilla-central/rev/2d1097c27f31cb15f7588b043d691cda9710d14b/dom/html/nsGenericHTMLElement.cpp#1944-1965), unless there are other hidden issues.
Bug 1653882 Comment 32 Edit History
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I believe it should be as simple as adding ePoitnerUp/Down [to this list](https://searchfox.org/mozilla-central/rev/2d1097c27f31cb15f7588b043d691cda9710d14b/dom/html/nsGenericHTMLElement.cpp#1944-1965), unless there are other hidden issues. (I mean, yes)
I believe it should be as simple as adding ePoitnerUp/Down [to this list](https://searchfox.org/mozilla-central/rev/2d1097c27f31cb15f7588b043d691cda9710d14b/dom/html/nsGenericHTMLElement.cpp#1944-1965), unless there are other hidden issues. >Would you have bandwidth to work on a patch in the rest of this quarter? I'll try.