Free Pascal Compiler version 2.6.4 [2014/03/06] for i386
Copyright (c) 1993-2014 by Florian Klaempfl and others
Target OS: Win32 for i386
Compiling foo.pas
foo.pas(5,22) Error: Identifier not found "x"
foo.pas(6,13) Error: Identifier not found "x"
foo.pas(8,5) Error: Identifier not found "x"
foo.pas(8,11) Error: Identifier not found "s"
foo.pas(10,22) Error: Identifier not found "x"
foo.pas(11,13) Error: Identifier not found "x"
foo.pas(14,13) Error: Identifier not found "x"
foo.pas(15,10) Error: Identifier not found "x"
foo.pas(16,11) Error: Identifier not found "x"
foo.pas(16,27) Error: Identifier not found "x"
foo.pas(17,2) Error: Identifier not found "x"
foo.pas(18,13) Warning: Local variable "len" does not seem to be initialized
foo.pas(20) Fatal: Syntax error, "BEGIN" expected but "end of file" found
Fatal: Compilation aborted
Error: C:\FPC\2.6.4\bin\i386-win32\ppc386.exe returned an error exitcode (normal if you did not specify a source file to be compiled)