MobileRead Forums - View Single Post - Special characters in epub not appearing on Kobo Libra 2

Buckaroo · 03-02-2025, 06:55 PM

Hi, All - I've got an epub of a physics book that contains lots of special characters, most of which are appearing correctly on my Kobo. There are a few, though, that aren't, and I can't figure out what's happening. The characters in question are the "double bar" style, e.g. "ℤ", "ℝ", etc., and show up just fine in both the Calibre edit source window and the reader app, but not on the Kobo, where they show up as blank spaces. I've tried using the Kobo Extended plugin to send kepub, as well as changing the font on the device, but nothing has worked. The characters are apparently UTF-8 format, if that matters.

Any ideas how to fix this?

03-02-2025, 06:55 PM	#1
Buckaroo Junior Member Posts: 7 Karma: 1185768 Join Date: Feb 2025 Device: Kobo Libra 2	Special characters in epub not appearing on Kobo Libra 2 Hi, All - I've got an epub of a physics book that contains lots of special characters, most of which are appearing correctly on my Kobo. There are a few, though, that aren't, and I can't figure out what's happening. The characters in question are the "double bar" style, e.g. "ℤ", "ℝ", etc., and show up just fine in both the Calibre edit source window and the reader app, but not on the Kobo, where they show up as blank spaces. I've tried using the Kobo Extended plugin to send kepub, as well as changing the font on the device, but nothing has worked. The characters are apparently UTF-8 format, if that matters. Any ideas how to fix this?