MacDue b193351a99 LibWeb: Fix off-by-one in HTMLTokenizer::restore_to() ...

The difference should be between m_utf8_iterator and the
the new position, if m_prev_utf8_iterator is used one fewer
source position is popped than required.

This issue was not apparent on most pages since restore_to
used for tokens such  <!doctype> that are normally
followed by a newline that resets the column to zero,
but it can be seen on pages with minified HTML.

2022-02-13 14:51:09 +00:00

96 KiB

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