[Webkit-unassigned] [Bug 192519] New: All the SVG properties parsing function should throw an error message if the parsing fails

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=192519

            Bug ID: 192519
           Summary: All the SVG properties parsing function should throw
                    an error message if the parsing fails
           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

See https://bugs.webkit.org/show_bug.cgi?id=192507. Although the bug of leading whitespaces should be fixed, an error message should have been exposed to tell about the failure in the parsing.

This bug is about reviewing all the places in the SVG properties parsing code where an error could happen and not having a corresponding error message revealed in the console window of the WebInspector. 

This also shows that we do not have enough layout tests which should cover the parsing errors in the SVG properties.

It can be frustrating for the web developer to not see the SVG element rendered and no hint what went wrong especially if other web browsers can render the same markup as he expects.

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