  x Start tag seen without seeing a doctype first, expected "<!DOCTYPE html>"
   ,-[$DIR/tests/recovery/element/ruby/input.html:1:1]
 1 | <html><ruby>a<rb>b<span></ruby></html>
   : ^^^^^^
   `----
  x End tag "ruby" seen, but there were open elements
   ,-[$DIR/tests/recovery/element/ruby/input.html:1:1]
 1 | <html><ruby>a<rb>b<span></ruby></html>
   :                         ^^^^^^^
   `----
