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LibHTML: DOM fixup should handle a completely empty document

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We were forgetting to check if there was even a first child of the
root Document node.
This commit is contained in:
Andreas Kling 2019-10-19 21:20:42 +02:00
parent 7b0f3b19df
commit 73af2f8d02
1 changed files with 1 additions and 1 deletions
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2
Libraries/LibHTML/DOM/Document.cpp
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@ -57,7 +57,7 @@ bool Document::is_child_allowed(const Node& node) const
void Document::fixup()
{
if (!is<DocumentType>(first_child()))
if (!first_child() || !is<DocumentType>(*first_child()))
prepend_child(adopt(*new DocumentType(*this)));
if (is<HTMLHtmlElement>(first_child()->next_sibling()))