acos.3, acosh.3, asin.3, asinh.3, atan.3, atanh.3, cbrt.3, ceil.3, copysign.3, cos...

acos.3, acosh.3, asin.3, asinh.3, atan.3, atanh.3, cbrt.3, ceil.3, copysign.3, cos.3, cosh.3, cproj.3, erf.3, exp.3, exp2.3, expm1.3, fabs.3, floor.3, fmod.3, frexp.3, isgreater.3, j0.3, lgamma.3, log.3, log10.3, log1p.3, log2.3, modf.3, nextafter.3, pow.3, rint.3, round.3, scalb.3, scalbln.3, sin.3, sinh.3, sqrt.3, tan.3, tanh.3, tgamma.3, trunc.3: Convert inline formatting (\fX...\fP) to dot-directive formatting

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>