Aliaksandr Kalenik f499edefae LibWeb: Track whether HTMLParser is script-created ...

Add a ScriptCreatedParser flag plumbed through HTMLParser's constructor
and create_for_scripting(). Only document.open()'s parser sets it to
Yes. Document::close() step 3 now checks is_script_created() so it
correctly skips parsers that weren't created via document.open(),
matching the spec.

Previously the check was just `if (!m_parser)`, which incorrectly let
document.close() insert an EOF into a network-driven parser. The bug
was mostly latent because the network parser used to finish quickly,
but it matters once the network parser stays alive for the duration of
a streamed parse.

2026-04-29 04:12:44 +02:00

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