Similar to W3C_Markup_Validation_Service

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  Web Open Font Format

  Web Open Font Format
  
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  WebAssembly

  WebAssembly
  
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  WebAuthn

  WebAuthn
  
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  XForms

  XForms
  
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  XFrames

  XFrames
  
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  XHTML

  XHTML
  
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  XLink

  XLink
  
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  XML Inclusions

  XInclude
  
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  XML Information Set

  
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  XML Path Language

  XPath
  
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  XML基底

  XML Base
  
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  XML情報集合

  
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  XPath

  
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  XPointer

  XPointer
  
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  XQuery

  XQuery
  
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  XSL

  
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  XSL Formatting Objects

  XSL Formatting Objects
  
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  XSL Transformations

  XSLT
  
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  ウェブストレージ

  Web storage
  
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  Compact HTML

  C-HTML
  
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  SPARQL

  SPARQL
  
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  タイムドテキスト

  Timed text
  
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  HyperText Markup Language

  HTML
  
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  Handheld Device Markup Language

  Handheld Device Markup Language
  
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  Meta要素

  Meta element
  
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  文字参照

  Character entity reference
  
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  Resource Description Framework

  Resource Description Framework
  
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  Wikipedia:井戸端/subj/芸能人の本名は原則非記載とすべきでは