[Webkit-unassigned] [Bug 181964] New: Trailing zero-width joiner (ZWJ) included in selection on page deactivation and may stay selected

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=181964

            Bug ID: 181964
           Summary: Trailing zero-width joiner (ZWJ) included in selection
                    on page deactivation and may stay selected
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: ASSIGNED
          Severity: Normal
          Priority: P2
         Component: Text
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dbates at webkit.org
                CC: hyatt at apple.com, mitz at webkit.org, mmaxfield at apple.com

When a line contains a character and a zero-width joiner (ZWJ) in that order, selecting the character by hand, deactivating the page by putting Safari in the background, causes the selection to extend to the ZWJ. Moreover, activating the page by bringing Safari to the foreground and clicking somewhere else in the document to deselect the text may cause the character to be deselected and the ZWJ to remain selected.

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