{
'a' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage target text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'altGlyph' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline dx dy enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight format glyph-orientation-horizontal glyph-orientation-vertical glyphRef id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures rotate shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering unicode-bidi visibility word-spacing writing-mode x xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y],
'altGlyphDef' => %w[id xml:base xml:lang xml:space],
'altGlyphItem' => %w[id xml:base xml:lang xml:space],
'animate' => %w[accumulate additive alignment-baseline attributeName attributeType baseline-shift begin by calcMode clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline dur enable-background end externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight from glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning keySplines keyTimes letter-spacing lighting-color marker-end marker-mid marker-start mask max min onbegin onend onload onrepeat opacity overflow pointer-events repeatCount repeatDur requiredExtensions requiredFeatures restart shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width systemLanguage text-anchor text-decoration text-rendering to unicode-bidi values visibility word-spacing writing-mode xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'animateColor' => %w[accumulate additive alignment-baseline attributeName attributeType baseline-shift begin by calcMode clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline dur enable-background end externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight from glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning keySplines keyTimes letter-spacing lighting-color marker-end marker-mid marker-start mask max min onbegin onend onload onrepeat opacity overflow pointer-events repeatCount repeatDur requiredExtensions requiredFeatures restart shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width systemLanguage text-anchor text-decoration text-rendering to unicode-bidi values visibility word-spacing writing-mode xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'animateMotion' => %w[accumulate additive begin by calcMode dur end externalResourcesRequired fill from id keyPoints keySplines keyTimes max min onbegin onend onload onrepeat origin path repeatCount repeatDur requiredExtensions requiredFeatures restart rotate systemLanguage to values xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'animateTransform' => %w[accumulate additive attributeName attributeType begin by calcMode dur end externalResourcesRequired fill from id keySplines keyTimes max min onbegin onend onload onrepeat repeatCount repeatDur requiredExtensions requiredFeatures restart systemLanguage to type values xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'circle' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor cx cy direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events r requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'clipPath' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule clipPathUnits color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'color-profile' => %w[id local name rendering-intent xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'cursor' => %w[externalResourcesRequired id requiredExtensions requiredFeatures systemLanguage x xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y],
'defs' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'desc' => %w[class id style xml:base xml:lang xml:space],
'ellipse' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor cx cy direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures rx ry shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'feBlend' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in in2 kerning letter-spacing lighting-color marker-end marker-mid marker-start mask mode opacity overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feColorMatrix' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering type unicode-bidi values visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feComponentTransfer' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feComposite' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in in2 k1 k2 k3 k4 kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity operator overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feConvolveMatrix' => %w[alignment-baseline baseline-shift bias class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display divisor dominant-baseline edgeMode enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kernelMatrix kernelUnitLength kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity order overflow pointer-events preserveAlpha result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style targetX targetY text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feDiffuseLighting' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor diffuseConstant direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kernelUnitLength kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style surfaceScale text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feDisplacementMap' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in in2 kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result scale shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xChannelSelector xml:base xml:lang xml:space y yChannelSelector],
'feDistantLight' => %w[azimuth elevation id xml:base xml:lang xml:space],
'feFlood' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feFuncA' => %w[amplitude exponent id intercept offset slope tableValues type xml:base xml:lang xml:space],
'feFuncB' => %w[amplitude exponent id intercept offset slope tableValues type xml:base xml:lang xml:space],
'feFuncG' => %w[amplitude exponent id intercept offset slope tableValues type xml:base xml:lang xml:space],
'feFuncR' => %w[amplitude exponent id intercept offset slope tableValues type xml:base xml:lang xml:space],
'feGaussianBlur' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering stdDeviation stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feImage' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events preserveAspectRatio result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y],
'feMerge' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feMergeNode' => %w[id xml:base xml:lang xml:space],
'feMorphology' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity operator overflow pointer-events radius result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feOffset' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline dx dy enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'fePointLight' => %w[id x xml:base xml:lang xml:space y z],
'feSpecularLighting' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kernelUnitLength kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering specularConstant specularExponent stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style surfaceScale text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feSpotLight' => %w[id limitingConeAngle pointsAtX pointsAtY pointsAtZ specularExponent x xml:base xml:lang xml:space y z],
'feTile' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering in kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events result shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'feTurbulence' => %w[alignment-baseline baseFrequency baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask numOctaves opacity overflow pointer-events result seed shape-rendering stitchTiles stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering type unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'filter' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter filterRes filterUnits flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events primitiveUnits shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y],
'font' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical horiz-adv-x horiz-origin-x horiz-origin-y id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi vert-adv-y vert-origin-x vert-origin-y visibility word-spacing writing-mode xml:base xml:lang xml:space],
'font-face' => %w[accent-height alphabetic ascent bbox cap-height descent font-family font-size font-stretch font-style font-variant font-weight hanging id ideographic mathematical overline-position overline-thickness panose-1 slope stemh stemv strikethrough-position strikethrough-thickness underline-position underline-thickness unicode-range units-per-em v-alphabetic v-hanging v-ideographic v-mathematical widths x-height xml:base xml:lang xml:space],
'font-face-format' => %w[id string xml:base xml:lang xml:space],
'font-face-name' => %w[id name xml:base xml:lang xml:space],
'font-face-src' => %w[id xml:base xml:lang xml:space],
'font-face-uri' => %w[id xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'foreignObject' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'g' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'glyph' => %w[alignment-baseline arabic-form baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor d direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-name glyph-orientation-horizontal glyph-orientation-vertical horiz-adv-x id image-rendering kerning lang letter-spacing lighting-color marker-end marker-mid marker-start mask opacity orientation overflow pointer-events shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode unicode-bidi vert-adv-y vert-origin-x vert-origin-y visibility word-spacing writing-mode xml:base xml:lang xml:space],
'glyphRef' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline dx dy enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight format glyph-orientation-horizontal glyph-orientation-vertical glyphRef id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility word-spacing writing-mode x xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y],
'hkern' => %w[g1 g2 id k u1 u2 xml:base xml:lang xml:space],
'image' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events preserveAspectRatio requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility width word-spacing writing-mode x xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y],
'line' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode x1 x2 xml:base xml:lang xml:space y1 y2],
'linearGradient' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical gradientTransform gradientUnits id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events shape-rendering spreadMethod stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility word-spacing writing-mode x1 x2 xlink:arcrole xlink:href xlink:role xlink:title xlink:type xml:base xml:lang xml:space y1 y2],
'marker' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start markerHeight markerUnits markerWidth mask opacity orient overflow pointer-events preserveAspectRatio refX refY shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi viewBox visibility word-spacing writing-mode xml:base xml:lang xml:space],
'mask' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask maskContentUnits maskUnits opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'metadata' => %w[id xml:base xml:lang xml:space],
'missing-glyph' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor d direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical horiz-adv-x id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi vert-adv-y vert-origin-x vert-origin-y visibility word-spacing writing-mode xml:base xml:lang xml:space],
'mpath' => %w[externalResourcesRequired id xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'path' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor d direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pathLength pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'pattern' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow patternContentUnits patternTransform patternUnits pointer-events preserveAspectRatio requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering unicode-bidi viewBox visibility width word-spacing writing-mode x xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y],
'polygon' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events points requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'polyline' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events points requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'radialGradient' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor cx cy direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight fx fy glyph-orientation-horizontal glyph-orientation-vertical gradientTransform gradientUnits id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask opacity overflow pointer-events r shape-rendering spreadMethod stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility word-spacing writing-mode xlink:arcrole xlink:href xlink:role xlink:title xlink:type xml:base xml:lang xml:space],
'rect' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures rx ry shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility width word-spacing writing-mode x xml:base xml:lang xml:space y],
'script' => %w[externalResourcesRequired id type xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'set' => %w[attributeName attributeType begin dur end externalResourcesRequired fill id max min onbegin onend onload onrepeat repeatCount repeatDur requiredExtensions requiredFeatures restart systemLanguage to xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space],
'stop' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask offset opacity overflow pointer-events shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'style' => %w[id media title type xml:base xml:lang xml:space],
'svg' => %w[alignment-baseline baseProfile baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering contentScriptType contentStyleType cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onabort onactivate onclick onerror onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup onresize onscroll onunload onzoom opacity overflow pointer-events preserveAspectRatio requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering unicode-bidi version viewBox visibility width word-spacing writing-mode x xml:base xml:lang xml:space xmlns y zoomAndPan],
'switch' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility word-spacing writing-mode xml:base xml:lang xml:space],
'symbol' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events preserveAspectRatio shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style text-anchor text-decoration text-rendering unicode-bidi viewBox visibility word-spacing writing-mode xml:base xml:lang xml:space],
'text' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline dx dy enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning lengthAdjust letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures rotate shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering textLength transform unicode-bidi visibility word-spacing writing-mode x xml:base xml:lang xml:space y],
'textPath' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning lengthAdjust letter-spacing lighting-color marker-end marker-mid marker-start mask method onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering spacing startOffset stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering textLength unicode-bidi visibility word-spacing writing-mode xlink:arcrole xlink:href xlink:role xlink:title xlink:type xml:base xml:lang xml:space],
'title' => %w[class id style xml:base xml:lang xml:space],
'tref' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline dx dy enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning lengthAdjust letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures rotate shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering textLength unicode-bidi visibility word-spacing writing-mode x xlink:arcrole xlink:href xlink:role xlink:title xlink:type xml:base xml:lang xml:space y],
'tspan' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline dx dy enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical id image-rendering kerning lengthAdjust letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures rotate shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering textLength unicode-bidi visibility word-spacing writing-mode x xml:base xml:lang xml:space y],
'use' => %w[alignment-baseline baseline-shift class clip clip-path clip-rule color color-interpolation color-interpolation-filters color-profile color-rendering cursor direction display dominant-baseline enable-background externalResourcesRequired fill fill-opacity fill-rule filter flood-color flood-opacity font-family font-size font-size-adjust font-stretch font-style font-variant font-weight glyph-orientation-horizontal glyph-orientation-vertical height id image-rendering kerning letter-spacing lighting-color marker-end marker-mid marker-start mask onactivate onclick onfocusin onfocusout onload onmousedown onmousemove onmouseout onmouseover onmouseup opacity overflow pointer-events requiredExtensions requiredFeatures shape-rendering stop-color stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width style systemLanguage text-anchor text-decoration text-rendering transform unicode-bidi visibility width word-spacing writing-mode x xlink:actuate xlink:arcrole xlink:href xlink:role xlink:show xlink:title xlink:type xml:base xml:lang xml:space y],
'view' => %w[externalResourcesRequired id preserveAspectRatio viewBox viewTarget xml:base xml:lang xml:space zoomAndPan],
'vkern' => %w[g1 g2 id k u1 u2 xml:base xml:lang xml:space]
}.freeze