Quote:
Originally Posted by DNSB
Line height unless set with absolute units is just a number. Setting line height to 1.1 or 110% sets the line height relative to the current font size and does not need a unit. Adding em doesn't hurt but neither does it do anything worthwhile.
And yes, since em is a relative measurement after all -- 1 em for a 28 point type is different from 1 em for a 6 point type. The numbers used by Kobo seem to have little to do with any real world measurement hence my measuring with a caliper and matching the displayed sizes.
Regards,
David
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In my testing, when I increase the font size, the line-height stays the same relative to the font size.
Doing it your way of using a fixed value, when I increased the font size, the lines overlapped. em is the best value to use.