[marek@nos proc]$ fpc proc00
Free Pascal Compiler version 1.9.4 [2004/05/30] for i386
Copyright (c) 1993-2004 by Florian Klaempfl
Target OS: Linux for i386
Compiling proc00.pas
proc00.pas(12,5) Note: Local variable "y" is assigned but never used
proc00.pas(13,5) Note: Local variable "j" is assigned but never used
proc00.pas(20,24) Error: Identifier not found "y"
proc00.pas(22,51) Error: Identifier not found "y"
proc00.pas(23,1) Error: Illegal expression
proc00.pas(23,4) Fatal: There were 3 errors compiling module, stopping