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** Mac 8.3.3 binary release
* mac/tclMacAlloc.c: modernized TclpSysAlloc() to use temporary
memory instead of system heap memory when available (MacOS
>= 7.5 and possibly earlier, use of system heap has been
discouraged for a long time and has many disadvantages, e.g. memory
isn't paged out, and errors can very easily bring the system down);
fixed crashing bug in TclpSysRealloc() and CleanUpExitProc() where
memory was being accessed after having been deallocated; fixed
memory leak in (de)allocation code (for every block ever allocated
with TclpSysAlloc, a Ptr was leaked), if temporary memory is
available, don't track allocated memory, instead use
RecoverHandle() to get Handle from Ptr, otherwise use doubly linked
list to correctly track memory and free all allocated memory; added
new option for ConfigureMemory: MEMORY_DONT_USE_TEMPMEM, disables
use of temporary memory even when it would be available, only
necessary when writing e.g. a driver (using tcl??); increased
fraction of application heap reserved for OS routines to 512K
FossilOrigin-Name: 1b4e7a6a18130133eaf2170096b65a276bc48c01
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