[Therion] Some patches

[Olly Betts]

On Sat, Jun 07, 2014 at 06:43:09AM +0100, Olly Betts wrote:
> therion-document-missing-cs.patch
> 
> Not all the coordinate systems which therion understands are listed
> in the manual - this patch adds the missing ones, though I don't know
> what JTSK03, IJTSK03 or S-MERC are, so please fill in where the '?' are.

It appears "S-MERC" is the spherical mercator projection often known as
"Web Mercator", as used by various online mapping sites (e.g.
OpenStreetMap, Google maps, Bing maps).

Cheers,
    Olly