epubchecker

Validation tool for ePub.
v5.2.1 URL: https://unpkg.com/epubchecker@5.2.1/lib/index.js
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EPUBvalidatorW3C

posthtml-w3c

W3C Validation for PostHTML
v0.9.1 URL: https://unpkg.com/posthtml-w3c@0.9.1/index.js
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HTMLPostHTMLPostHTML PluginW3CW3C Validation

fontoxpath

A minimalistic XPath 3.1 engine in JavaScript
v3.33.2 URL: https://unpkg.com/fontoxpath@3.33.2/dist/fontoxpath.js
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FontoXPathfontoxpathFontoXMLXPathXPath3.1xpathxpath3.1W3Cw3cXMLxmlXQueryxqueryXQuery Update Facilityxquery update facilityXQUFxquffontoxml

apca-w3

APCA: the Accessible Perceptual Contrast Algorithm, a modern contrast method that improves readability contrast on self-illuminated displays. Developed for the W3C's WCAG 3 and other standards.
v0.1.9 URL: https://unpkg.com/apca-w3@0.1.9/src/apca-w3.js
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CSSHTMLPDFRTFsRGBRGBP3displayP3Adobe RGBLChLstarcolorcolourcontrastlightnessbrightnessluminanceluminance contrastlightness contrastperceptual contrastvisual contrastcolor contrastcolour contrasttext contrastAPCA contrastA11y contrastconstant contrastaccessible contrastreadability contrastreadabilityaccessibilitycontrast sensitivityspatial frequencyspacial frequencydesign toolsdesign systemsdesign guidelinestypographya11yW3CWCAGWCAG 2WCAG 3SACAMSAPCAPCA

credential-status

credential status aggregator for did-jwt
v3.0.4 URL: https://unpkg.com/credential-status@3.0.4/lib/index.cjs
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Verifiable CredentialW3Cstatus checkrevocationcredentialStatusJWT