Free Pascal Compiler version 2.6.2 [2013/02/12] for i386
Copyright (c) 1993-2012 by Florian Klaempfl and others
Target OS: Win32 for i386
Compiling foo.pas
foo.pas(12,7) Error: Identifier not found "xx"
foo.pas(12,13) Error: Identifier not found "x1"
foo.pas(13,7) Error: Identifier not found "yy"
foo.pas(13,13) Error: Identifier not found "y1"
foo.pas(14,12) Error: Identifier not found "bool"
foo.pas(14,15) Error: Identifier not found "xx"
foo.pas(14,18) Error: Identifier not found "yy"
foo.pas(14,19) Fatal: Syntax error, "THEN" expected but ":=" found
Fatal: Compilation aborted
Error: C:\FPC\2.6.2\bin\i386-win32\ppc386.exe returned an error exitcode (normal if you did not specify a source file to be compiled)