Fix and implementation of 'locus-set'
tree5d1de1b3f7121e08f90128a1fa6d0540c3374ba5
drwxr-xr-x - doc
drwxr-xr-x - fonts
drwxr-xr-x - internal
drwxr-xr-x - plugins
drwxr-xr-x - server
drwxr-xr-x - src
drwxr-xr-x - windows