3519357 Use randomized subdir of /tmp in xdev tests to reduce chance of conflict
bug-3530536
two more testcases, showing that only the "deflate" and "inflate" streams don't update the checksum, other streams do.
[Bug 3530536]: zlib-7.4 fails on IRIX64
3530533 Add comments to failing tests.
3530533 Add comments to failing tests.
Remove unused variable mantDIGIT.
Remove unused variable mantDIGIT.
Remove unused variable NULL_CONTEXT.
merge trunk
better test that dictionaries work
fix broken tests
more test tinkering
more tests, more failures, more docs
making the -dictionary option work with streams
On Cygwin, use win32 API in stead of uname() to determine the tcl_platform variables
On Cygwin, use win32 API in stead of uname() to determine the tcl_platform variables
On Cygwin, use win32 API in stead of uname() to determine the tcl_platform variables
Declare that Tcl provides the zlib 2.0 package.
merge trunk