Thread: Beta testing calibre 4
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Old 09-24-2019, 08:40 PM   #271
kovidgoyal
creator of calibre
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Quote:
Originally Posted by thiago.eec View Post
Hi, Kovid.

What changed about font validation on calibre 4?
I'm asking this because all the fonts I've tried so far give me the 'Not a valid font' message on the editor (file browser).
No error shows up on Check Book or EPUBCheck. To be sure, I tested it with the sample books from EPUB3 specs and the result is the same: Not a valid font.

EDIT:
Just to clarify: those books work normally, displaying the embedded font and all. I'm just confused about this error message. It says the font is not valid, and that's all. No further explanation and no consequences either.
Now mousing over a font will show you the font name in a tooltip. You get that mesage when calibre could not parse the font. PM me a file where this error happens and I will take a look.
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