R[Image-SIG] Re: perspective transform [patch]

[Jeff Breidenbach]

> > (but I might squeeze it in as an "experimental" feature in 1.1.5 anyway)

I think it should be safe. I've been testing heavily against 1.1.4
and haven't noticed any bugs or problems yet. 

There is an obvious and trivial tweak to line 37 & 38 of the 
patch which can save a bit of CPU time (one division operation
per pixel) but that certainly isn't required.

Cheers,
Jeff