Log Message:
update to latex-mk-1.8

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Release Notes for LaTeX-Mk-1.8
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- Fix a syntax error in the latex-mk script which showed up with some shells.

- Fix a bug in the latex-mk script where some of the ".old" files that \ 
are used
  for determining when to re-run various tools were not being cleaned up properly.

- Add a few more files which latex and makeindex may generate to the list of files
  removed by the 'clean' target.

- Add a testsuite entry for the clean target.

- Improve the makefile testsuite robustness.  In particular it now deals with
  the bmake program having different names (make, bmake, bsdmake, etc).

- Improve and expand the testsuite for the latex-mk script.