squash and merge, license documentation, "size" documentation

[mf2k at macports.org]

Hi Perry,


> On Aug 17, 2018, at 7:44 AM, Perry E. Metzger <perry at piermont.com> wrote:
> 
> 3. There's no real documentation of the "size" parameter to
> checksums, and I'm constantly asking people to add the size. Note
> that I don't think "size" is a reasonable thing to require given that
> finding two files of the same size with the same SHA-2 hash is
> probably worth a doctoral dissertation at this point, but if we are
> going to require it (why do we require it?), it should be documented,
> and port lint should complain that it isn't there, and doing
> port -v checksums should spit it out if it isn't there. 

The size is also useful for giving user feedback on the download time remaining. 

Yes, it needs to be documented. 


Cheers!
Frank