merge trunk
suggested fix for Bug 3092089: [file normalize] can remove path component, 
and for Bug 3587096: startup error message when exe in folder with junction with limited rights
speling ficks
speling ficks
Channel buffer min size is 1. Issue found by Schelte Bron.
"Mine eyes deceive, but others catch me when I fall." -- Someone or other
Insure that PURIFY builds cannot exploit the Tcl stack to hide mem defects.
Add super-simple compiler to many ensemble subcommands to allow better code
generation where we can detect that we're not in the WrongNumArgs case.
The compiler just checks that the argument count is in the right range and
issues a standard dispatch; that's enough to do an efficient job.
Improve code generation for many simple core ensemble subcommands.
merge trunk
Fix bad memory access problems found by Miguel Sofer when valgrinding.
Fix memory leak in [format] compiler.
Add an assertion that checks the stack depth under TCL_COMPILE_DEBUG *before* stack cleanup. It currently triggers at several spots in the testsuite!
adjust stub library version number
adjust stub library version number
adjust stub library version number
fix the new assertion, it should not trigger when an expansion is in progress
merge fork
improved stack checking under TCL_COMPILE_DEBUG
merge trunk