("General Purpose") The commercial PL/I subset, i.e. what was actually implemented by most vendors. ANS X3.74-1981.

In addition suitable contents:
[ = ] [ al ] [ am ] [ ANS ] [ ar ] [ arc ] [ as ] [ at ] [ b ] [ bs ] [ by ] [ ch ] [ ci ] [ co ] [ com ] [ do ] [ du ] [ ed ] [ er ] [ era ] [ et ] [ fi ] [ file ] [ G ] [ h ] [ hat ] [ hr ] [ id ] [ il ] [ Lex ] [ ly ] [ mm ] [ mo ] [ mod ] [ module ] [ mp ] [ N ] [ na ] [ ne ] [ om ] [ ph ] [ pl ] [ PL/I ] [ query ] [ rc ] [ re ] [ S ] [ se ] [ set ] [ st ] [ su ] [ T ] [ ua ] [ ve ] [ X ]