Are ebook-viewer references CFI format?

Geremia · 01-01-2026, 04:33 PM

Are the references (e.g., "ref:13.24") in ebook-viewer's reference mode in EPUB Canonical Fragment Identifiers format?

kovidgoyal · 01-01-2026, 10:29 PM

No, those are an internal format of the viewer. You can get the CFI reference by the Go to -> Location in the viewer controls

Geremia · 01-02-2026, 02:50 PM

oh, I see:

Code:

epubcfi(/30/2/4/364/6/1:79)

01-01-2026, 04:33 PM	#1
Geremia Addict Posts: 277 Karma: 100000 Join Date: Oct 2012 Device: Calibre	Are ebook-viewer references CFI format? Are the references (e.g., "ref:13.24") in ebook-viewer's reference mode in EPUB Canonical Fragment Identifiers format?

01-02-2026, 02:50 PM	#3
Geremia Addict Posts: 277 Karma: 100000 Join Date: Oct 2012 Device: Calibre	oh, I see: Code: epubcfi(/30/2/4/364/6/1:79)

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01-01-2026, 10:29 PM	#2
kovidgoyal creator of calibre Posts: 46,225 Karma: 29630732 Join Date: Oct 2006 Location: Mumbai, India Device: Various	No, those are an internal format of the viewer. You can get the CFI reference by the Go to -> Location in the viewer controls

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