ElementValid4 189 B

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  1. <!DOCTYPE doc [
  2. <!ELEMENT doc (#PCDATA | a | b)*>
  3. <!ELEMENT a EMPTY>
  4. <!ELEMENT b (#PCDATA)>
  5. <!ELEMENT c (#PCDATA)>
  6. ]>
  7. <doc> This <b>seems</b> Ok <a/> but this <c>was not declared</c></doc>