suppress Alien Edition standard variants
authorH.G.Muller <hgm@hgm-xboard.(none)>
Wed, 10 Sep 2014 16:54:45 +0000 (18:54 +0200)
committerH.G.Muller <hgm@hgm-xboard.(none)>
Wed, 10 Sep 2014 16:54:45 +0000 (18:54 +0200)
commit03ed95a03b8bbe911780b8c72f2c155671ba2a73
tree38204da6c27a13300ff89b867c4292e3291d73e8
parent1c1d94343c5cb54122a5fe5fe46b1569437261e4
suppress Alien Edition standard variants

Variants that are standard in the Alien Edition should not be
recognized as engine-defined variants: the engines that announce
them will not respond with the required setup command, so allowing
the user to select them just leads to trouble.
backend.c