[Webkit-unassigned] [Bug 120030] New: input/textarea: Count text length for maxLength check with the standard way

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=120030

           Summary: input/textarea: Count text length for maxLength check
                    with the standard way
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: BlinkMergeCandidate
          Severity: Normal
          Priority: P2
         Component: Forms
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: adele at apple.com, darin at apple.com, ap at webkit.org


Consider merging https://chromium.googlesource.com/chromium/blink/+/07f11c2650bffcdf07b2e55b50fef917940366a1

We counted use-input text in grapheme cluster unit. i.e. A letter +
combining characters are counted as '1,' and a surrogate pair is counted
as '1.' According to the standard and other browsers, we shoudl count
them in UTF-16 code point unit.

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