Free Pascal Compiler version 3.0.0 [2015/11/16] for i386
Copyright (c) 1993-2015 by Florian Klaempfl and others
Target OS: Win32 for i386
Compiling foo.pas
foo.pas(6,5) Note: Local variable "b" is assigned but never used
foo.pas(7,3) Note: Local variable "tail" not used
foo.pas(7,8) Note: Local variable "head" not used
foo.pas(7,15) Note: Local variable "j" not used
foo.pas(7,17) Note: Local variable "k" not used
Linking foo.exe
69 lines compiled, 0.0 sec, 28208 bytes code, 1268 bytes data
5 note(s) issued