Log Message:
tex-fp{,-doc}: update to 2.1d

Jan. 14, 2019   Peter Wang      documentation
improved documentation based on the original README.txt, with examples to
show the syntax.

Jan. 14, 2019   Enrico Gregorio `fp-exp.sty' and `lfp.sty`
Fixed two unprotected end-of-lines in the above files that can, under
certain circumstances, add spaces in the output, causing unwanted drifting.