prog.pas: In main program:
prog.pas:5: error: undeclared identifier `redln' (first use in this routine)
prog.pas:5: error: (Each undeclared identifier is reported only once
prog.pas:5: error: for each routine it appears in.)
prog.pas:6: error: undeclared identifier `when' (first use in this routine)
prog.pas:6: error: syntax error before `j'