[Webkit-unassigned] [Bug 36037] New: typing at the end of a line in designMode documents is *very* slow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=36037

           Summary: typing at the end of a line in designMode documents is
                    *very* slow
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Keywords: GoogleBug
          Severity: Normal
          Priority: P2
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ojan at chromium.org
                CC: adele at apple.com, dglazkov at chromium.org,
                    jamesr at chromium.org, enrica at apple.com


This affects the script editor in Google Spreadsheets (which uses
http://marijn.haverbeke.nl/codemirror/).

Test case attached. Typing a character at the end of the line takes seconds on
my machine. The while loop in previousCandidate(const Position& position) in
htmlediting.cpp seems to be where all the time is going. Not sure yet what
exactly is going wrong.

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