130583 2014-03-21 05:39:42 -0700 [CSS Regions] Make mapLocalToContainer regions aware 2022-07-13 09:18:34 -0700 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) Unspecified Unspecified RESOLVED WONTFIX AdobeTracked P2 Normal --- 57312 1 abucur webkit-unassigned bfulgham hyatt WebkitBugTracker oldest_to_newest 993030 0 abucur 2014-03-21 05:39:42 -0700 mapLocalToContainer should be able to select the correct region when walking the ancestor path of a renderer inside a flow thread. The problem is that rectangles are shifted from their layout positions through transforms / relative positioning. Correct region information can't be collected using only geometrical values. Because of this limitation, getClientRects() will return invalid results in some cases (with content overflowing the region). 1883031 1 bfulgham 2022-07-13 09:18:34 -0700 CSS Regions were removed in Bug 174978.