[Webkit-unassigned] [Bug 192507] New: Leading whitespaces in the "values" attribute of the feColorMatrix breaks its parsing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=192507

            Bug ID: 192507
           Summary: Leading whitespaces in the "values" attribute of the
                    feColorMatrix breaks its parsing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com
                CC: zimmermann at kde.org

Created attachment 356826

  --> https://bugs.webkit.org/attachment.cgi?id=356826&action=review

test case

Open the attached test case. The circle with the feColorMatrix is not rendered. The "values" attribute of the feColorMatrix is written like that:

            values=" 0 0 0 0 0
                    1 1 1 1 0
                    0 0 0 0 0
                    0 0 0 1 0" />

The leading whitespaces breaks the filter parsing and causes nothing to be rendered.

Look at the SVGNumberListValues::parse() and you will find this comment:

// The spec (section 4.1) strangely doesn't allow leading whitespace. We might choose to violate that intentionally.

This test case works as expected in Chrome and FireFox.

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