Kitty shrinks glyphs with their ink box wider than the advance width. #297

cc. @jpotier

@jpotier built an Iosevka build with ligations, however Kitty zooms out the glyphs that having larger ink box. In Iosevka, there are glyphs that extends out the x=0 and x=500 boundary, to connect to other glyphs to form a ligature.