Re:Fira Sans: a Free, Open Source Typeface Commissioned by M...
by edwintorok on Sunday May 25, 2014 @03:34AM
(#7795757)
Thanks, I'll use the \DisableLigatures.
I actually don't like old-style numbers (see the [lf] option for Fira), but its a matter of personal preference.
You might also want to use
from the microtype package. It doesn't normally matter, but the sourcecodepro package has an "fl" ligature that's usually unwelcome.