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→Success, and some bugs
However, as was the case in our previous attempt, our code has a bug. Moving existing tabs doesn't update our position state, since we only modify '''mPreviousIndex''' when a new tab is selected; moved tabs remain selected, but change their order (i.e., TabSelect won't get dispatched on a move).
Luckily we've already stumbled upon the solution to this problem--the '''TabMove''' event. Here is the updated version of '''overlayaddtabbeside.js''', with the changes in bold:
var AddTabBeside = {
