'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],