RE: scroll-down with pixel transition

[Drew Adams]

> I'd like first to hear what people think about this new convention.

I oppose it - just one opinion.  On the contrary, I think that
we should encourage `-p' for Boolean non-option variables, and
we should have a different naming convention (e.g. `-flag')
for Boolean options.

I put my reasons in the bug thread:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=26564#14