chromium/third_party/libxml/fuzz/seed_corpus/6ae10aeb6fd0f9346db450029b0c1a06738a77a3

<!DOCTYPE doc [
<!ELEMENT doc ((a | b | c) , d)?>
<!ELEMENT a (#PCDATA)>
<!ELEMENT b (#PCDATA)>
<!ELEMENT c (#PCDATA)>
<!ELEMENT d (#PCDATA)>
]>
<doc><b>This</b><d> is a valid document</d></doc>