MS Word: XWPFRun has no Font Size

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Greetings

I iterate through each XWPFRun for each XWPFParagraph of an XWPFDocument.

There is, intermittently, a run that returns
getFontSize()  = -1;
getFontSizeAsDouble() = null;
getComplexScriptFontSizeAsDouble() = null;

Nevertheless getText(0) ,getFontName(), isBold() ... each return what I can
see in the document through a docx user client. I can see the fragment in
the client with FontSize = 12

Im Using POI 5.2.5 , though I upgraded because an earlier version also had
this issue.

Glad to provide further details, but is there any circumstance where this
is the expected result?

Grevillea

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