Move cpuid testcase from win-specific to generic tests
3428753 Fix [socket -async] connections that manage to connect synchronously.
3428754 Test socket-14.2 tolerate [socket -async] connection that connects
synchronously.
zlib-1.2.7
don't try to run the cpuid test if cpuid is not available
don't try to run the cpuid test when cpuid is not available
don't try to run the cpuid test when cpuid is not available
merge trunk
files removed from zlib-1.2.7
some more removals from zlib1.2.7
Add ability to get gzip header out of streaming zlib access
start writing some documentation
merge trunk
move TCHAR definition for Cygwin from tclUnixPort.h to tclPlatDecls.h, 
so it can be used for the Plat* interfaces as well
proposal from jmphilippe
move TCHAR definition for Cygwin from tclUnixPort.h to tclPlatDecls.h,
so it can be used for the Plat* interfaces as well
move TCHAR definition for Cygwin from tclUnixPort.h to tclPlatDecls.h,
so it can be used for the Plat* interfaces as well
merge trunk
Properly close nonblocking channels even when not flushing them.
fix test-cases winDde 5.1 and 5.3