Avoid Emacs local variable settings to disable whitespace cleanup,
by creating markup tokens for TAB characters (#TAB#) and space
characters (#SPACE#) (for end-of-line spaces). Modify all the
tests that use TABs to use the new markup. This requires changing
some old-fashioned tests to use the modern run_make_test(). Also
remove some of the comments regarding test numbers now that the
framework keeps track.
This reverts commit 6264deece3bb77798240a906ceed79097adbcf48.
Further investigation discovers that the real issue is that
GNU Emacs compile mode doesn't have a matching regex for GNU
make error messages generated when targets fail. I submitted
a patch to GNU Emacs adding a matcher for compile mode.
* tests/scripts/features/jobserver: Windows doesn't use pipes
* tests/scripts/functions/shell: Don't test kill -2 on Windows
* tests/scripts/misc/bs-nl: Windows doesn't handle single quotes
* tests/scripts/misc/general3: Ditto.
