To find supported code pages, use the GET-CODEPAGES function.
The following example code may be run from the Procedure Editor:
DEF VARIABLE code-page-list AS CHARACTER.
DEF VARIABLE collation-list AS CHARACTER.
DEF VARIABLE i AS INTEGER.
DEF VARIABLE j AS INTEGER.
code-page-list = GET-CODEPAGES.
REPEAT i = 1 TO NUM-ENTRIES(code-page-list):
DISPLAY ENTRY(i,code-page-list) FORMAT "x(19)" COLUMN-LABEL "Code Page"
WITH DOWN FRAME a.
collation-list = GET-COLLATIONS(ENTRY(i,code-page-list)).
REPEAT j = 1 TO NUM-ENTRIES(collation-list):
DISPLAY ENTRY(j,collation-list) FORMAT "x(19)" COLUMN-LABEL "Collation"
WITH DOWN FRAME a.
DOWN WITH FRAME a.
END.
END.
Also check the README file in the $DLC/prolang directory or %DLC%\prolang folder.