Recently someone reported that Iosevka's line height is inconsitent among weights, however the metrics in `hhea` and `OS/2` table are exactly same within all the subfamilies I provided.
![Image: http://cd8ba0b44a15c10065fd-24461f391e20b7336331d5789078af53.r23.cf1.rackcdn.com/typeboard.vanillaforums.com/editor/dz/rld5fipzv3p0.jpg]()
It it means that there are still some undiscovered parameters which decides the line height?
TTF files : http://7xpe0v.com1.z0.glb.clouddn.com/iosevka-lineheight-test-osx-20151224b.7z

It it means that there are still some undiscovered parameters which decides the line height?
TTF files : http://7xpe0v.com1.z0.glb.clouddn.com/iosevka-lineheight-test-osx-20151224b.7z