Compilare: Free Pascal Compiler version 2.0.4 [2007/01/28] for i386 Copyright (c) 1993-2006 by Florian Klaempfl Target OS: Linux for i386 Compiling user.fpc user.fpc(72,31) Warning: Variable "stk" does not seem to be initialized user.fpc(72,37) Warning: Variable "col" does not seem to be initialized user.fpc(11,34) Note: Local variable "x1" is assigned but never used user.fpc(11,37) Note: Local variable "y1" is assigned but never used user.fpc(11,40) Note: Local variable "x2" is assigned but never used user.fpc(11,43) Note: Local variable "y2" is assigned but never used Linking user 147 Lines compiled, 0.0 sec