ADDED: library(sandbox): sort/4 is safe.
ADDED: library(sandbox): sort/4 is safe.

koryonik/swipl-devel,koryonik/swipl-devel,jn7163/swipl-devel,edechter/swipl-devel,edechter/swipl-devel,mndrix/swipl-devel,edechter/swipl-devel,mndrix/swipl-devel,edechter/swipl-devel,mndrix/swipl-devel,jn7163/swipl-devel,jn7163/swipl-devel,koryonik/swipl-devel,mndrix/swipl-devel,mndrix/swipl-devel,edechter/swipl-devel,koryonik/swipl-devel,koryonik/swipl-devel,jn7163/swipl-devel,jn7163/swipl-devel