PGASetCrossoverProb(3) on Linux
The text 856ae92d6888, as Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.
Probability that a selected string will undergo crossover. The default is 0.85.