[TYPO3-core] FYI24 #14118: Exception handler does not produce valid (X)HTML

[Oliver Klee]

Hi,

do we need the XML prologue? IIRC it's optional, and it causes problems
in some versions of IE (switching to quirks mode [1]).

Oli

[1]
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Certified TYPO3 Integrator | TYPO3 Security Team Member