[v3] regex formatting tweaks and new tests

[Stephen M. Webb]

The attached patch reformats may of the Doxygen comments in the regex source 
file to fix a bunch of embrarrassing blemishes in the generated online docs.  
I also moved longer functions out of line (as per the coding guidelines) so I 
include new test cases to make sure nothing gets broken.

OK to commit?


2008-08-11  Stephen M. Webb  <stephenw@xandros.com>

	* include/tr1_impl/regex: Formatting fixes.
	* testsuite/tr1/7_regular_expressions/regex_traits/char/value.cc:
	  New test.
	* testsuite/tr1/7_regular_expressions/regex_traits/wchar_t/value.cc:
	  New test.

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