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					Originally Posted by  jackie_w
					 
				 
				BTW, I know it's normal to lose all the footnote formatting when popped-up but I don't know why the Cyrillic letter-spacing is so wide. Pop-ups in my English books have normal letter-spacing. 
			
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 It's because of the fonts: 
KBJ-TsukuMinPr6N-RB.ttf
KBJ-UDKakugoPr6N-M.ttf
If you remove them, the interval will become normal.
jackie_w,
Thanks, your option works.
P.S. but as you have with non-breaking space, for some reason it does not work in kepub 

 I wanted to convert my entire library to kepub, but it stops ...