>>> My Info: Win7_64, Nightly 48, 32bit, ID 20160403030243 STR_1: 1. Download and extract attached "testcase 1", then open .html file in Firefox 2. Scroll the page to the bottom using mouse wheel or scrollbar 3. Click on the gray area to the right from the last comment (the scrollable div) 4. Press PageUp/PageDown. Press Up/Down arrows. AR: The scrollable div is being scrolled ER: The whole page should scroll in Step 4 because I clearly clicked outside of the div! Notes: 1) You must click strictly to_the_right from the scrollable div, not "to the right and up" or "to the right and to the bottom". It's "strictly to the right", near the center of the div 2) If that div doesn't have a huge vertical scrollbar, open Inspector and reduce its height 3) Make sure that after extracting "testcase 1" full filenames aren't too long for Windows.
Component: Untriaged → Panning and Zooming
I can repro this on Windows 10, with and without APZ. It looks like clicking to the right of the comment entry preview pane still puts focus into the preview pane? Not really sure where this bug belongs.
Component: Panning and Zooming → Keyboard: Navigation
smaug, I don't think this is the right component but I'm not sure the correct one. Do you know?
We were able to reproduce (doing triage). Smaug? See above about setting component? Could you take a looksy?
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