PGAGetNoDuplicatesFlag(8) on Linux

The text 4f3a2339ad31, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it. The page shows this text now.

Returns PGA_TRUE if duplicates are not allowed, else returns PGA_FALSE.