[Webkit-unassigned] [Bug 258003] SVGLengthValue.cpp should support rem (probably other) units for width and height attributes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=258003

--- Comment #6 from Karl Dubost <karlcow at apple.com> ---
Starting with data:text/html,<svg%20width="50"></svg>

We get for document.querySelector('svg').width.baseVal

unitType: 1
value: 50
valueAsString: "50"
valueInSpecifiedUnits: 50

Let's set to 3 rem.
document.querySelector('svg').setAttribute('width', '3rem')

unitType: 2 (SVG_LENGTHTYPE_PERCENTAGE)
value: 48
valueAsString: "100%"
valueInSpecifiedUnits: 100

Why the 48 here?


It reports the issue
    reportAttributeParsingError(parseError, name, newValue);

and then goes on with:

    SVGFitToViewBox::parseAttribute(name, newValue);
    SVGZoomAndPan::parseAttribute(name, newValue);
    SVGGraphicsElement::attributeChanged(name, oldValue, newValue, attributeModificationReason);

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