ANN: Functional Metapost 1.2

[Ferenc Wagner]

Dylan Thurston <dpt@lotus.bostoncoop.net> writes:

> Great work!  One documentation bug:
>
>> Now it is time to discuss units. \MP\ uses as basic unit
>> PostScript points which correspond to $1/72$ inch. We use
>> them in \FMP, too.  |hspace 8| defines a horizontal
>> distance of $1/9$ inch or approximately $2.82$ mm.
>
> This contradicts the table that immediately follows, in
> which it is evident that a unit of '1' is one printer's
> point, 1/72.27 of an inch; the Postscript points are
> called 'bp'.  Which is correct?

Thanks for spotting this mistake.  FMPPicture.lhs has the answer:

> mm, pt, dd, bp, cm, pc, cc, inch:: Numeric
> mm                            =  2.83464
> pt                            =  0.99626
> dd                            =  1.06601
> bp                            =  1
> cm                            =  28.34645
> pc                            =  11.95517
> cc                            =  12.79213
> inch                          =  72

which a quick test also ensures.  So the table is mistaken,
we will fix it shortly.

                                        Cheers: Feri.