Fix error in Makefile iunstall production. Add two missing funtions from net.if.h Cleanup foor modern pylint.

Work on non-UTF inputs under Python 3. Make must now specify how to subsitute in a make target.

Change shebang to Python 3, required by a recent Ubuntu action.

Use modern GCC error format for failure messages. Fix filename of header for (f)statvfs.

Fix bug that prevented the -b option from being interpreted. Acknowledge Debian bug #839179: keywords in comments not ignored.

exit(1) if unneeded includes are detected (useful in Makefiles).

Now runs polyglot under either Python 2 or Python 3 Added assert() to requirements.

When compilation fails, also try it directly inside subdirectories.

Notice preprocessor directives with whitespace after the hash-mark

Allow --version on the command line. Fix up the regression tests.

Added --quiet option.

Minor documentation fixes.

Accept .cc as an extension as well as .cpp.

Add the return-status macros from sys/wait.h to the portability list.

Source is now checked against all SuS portability requirements. There is an option to exclude files by pattern.

Script now removes generated objects. Duplicate inclusions are now detected. Absence of some headers required for portability is now detected.

Add a dependencies table to head off common cross-platform problems.

Make the last line of output a statistical summary. Document some limitations.

Initial release.