SVG Attribute reference - SVG: Scalable Vector Graphics
form transform-origin type u u1 u2 underline-position underline-thickness unicode unicode-bidi unicode-range units-per-em v v-alphabetic v-hanging v-ideographic v-mathematical values vector-effect version vert-adv-y vert-origin-x vert-origin-y viewbox viewtarget visibility w width widths word-spacing writing-mode x x x-height x1 x2 xchannelselector xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y y y1 y2 ychannelselector z z zoomandpan svg attributes by category generic attributes core attributes id, lang, tabindex, xml:base, xml:lang, xml:space style attributes class, style conditional processing attributes externalresourcesrequired, requiredextensions, req...
... xlink attributes xlink:href, xlink:type, xlink:role, xlink:arcrole, xlink:title, xlink:show, xlink:actuate presentation attributes note that all svg presentation attributes can be used as css properties.

MathML attribute reference - MathML
the xlink attributes on mathml elements: xlink:actuate, xlink:href, xlink:show and xlink:type are deprecated as well.

requiredFeatures - SVG: Scalable Vector Graphics
upports the onbegin, onend, onrepeat and onload attributes http://www.w3.org/tr/svg11/feature#cursor the browser supports the <cursor> element http://www.w3.org/tr/svg11/feature#hyperlinking the browser supports the <a> element http://www.w3.org/tr/svg11/feature#xlinkattribute the browser supports the xlink:type, xlink:href, xlink:role, xlink:arcrole, xlink:title, xlink:show and xlink:actuate attributes http://www.w3.org/tr/svg11/feature#externalresourcesrequired the browser supports the externalresourcesrequired attribute http://www.w3.org/tr/svg11/feature#view the browser supports the <view> element http://www.w3.org/tr/svg11/feature#script the browser supports the <script> element http://www.w3.org/tr/svg11/feature#animation the browser supports the <animate...

<altGlyph> - SVG: Scalable Vector Graphics
ing, cursor, display, dominant-baseline, fill, fill-opacity, fill-rule, filter, mask, opacity, pointer-events, shape-rendering, stroke, stroke-dasharray, stroke-dashoffset, stroke-linecap, stroke-linejoin, stroke-miterlimit, stroke-opacity, stroke-width, text-anchor, transform, vector-effect, visibility xlink attributes xlink:href, xlink:type, xlink:role, xlink:arcrole, xlink:title, xlink:show, xlink:actuate dom interface this element implements the svgaltglyphelement interface.

SVG 2 support in Mozilla - SVG: Scalable Vector Graphics
nown mutation events removed implementation status unknown svgzoomevent removed implementation status unknown <cursor> element deprecated implementation status unknown linking change notes link svg resources with fragment identifiers implementation status unknown xlink:type, xlink:role, xlink:arcrole, xlink:show, and xlink:actuate attributes removed implementation status unknown xlink:href attribute deprecated in favor of href implemented (bug 1245751) xlink:title attribute deprecated in favor of child <title> implementation status unknown spaces in svg view fragments implementation status unknown pixel: and percent: spatial media fragments implementation status unknown ...