ElementValid5 180 B

1234567
  1. <!DOCTYPE doc [
  2. <!ELEMENT doc (a , b* , c+)>
  3. <!ELEMENT a EMPTY>
  4. <!ELEMENT b (#PCDATA)>
  5. <!ELEMENT c (#PCDATA)>
  6. ]>
  7. <doc><a/><b> but this</b><c>was not declared</c><b>seems</b></doc>