So if you make two passes through libxml you get valid xml? But then you lose the vertical tab ...

If I try using toFile I get  error : xmlEscapeEntities : char out of range

Error seems to be coming from libxml2 itself ... this says sanitize your inputs first so ascii control chars aren't in there :/

I'd report it to XML::LibXML maintainer , for the clues he might provide :)

In reply to Re^3: Vertical Tab (\x0b) in XML::LibXML by Anonymous Monk
in thread Vertical Tab (\x0b) in XML::LibXML by choroba

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