Release Notes: This release has an XHTML mode, improved documentation, and miscellaneous code cleanup and bugfixes.
Release Notes: This version features a new meta-macro for formatting the current date and time.
Release Notes: A bug where #error and #warning directives were processed in the false branch of a conditional has been fixed.
Release Notes: GPP now features the commandline option --include, which allows preprocessing of a specified file before the main input file.
Release Notes: GPP now supports CPP-style #error and #warning macros.
Release Notes: The arithmetic evaluation macro (#eval) now supports POSIX-style wildcard matching (i.e., shell globbing). There is now an #elif macro to help avoid deeply-nested conditionals. Finally, a long-standing bug has been fixed where GPP would be off by one when reporting line numbers in its error messages or with the #line meta- macro.