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Version 5.06. Tagged as 'RISC_OSLib-5_06'

This is the standard RISC OS convention (cf OS_NewLine) - some apps assume
it when redirecting output.

Version 5.02. Tagged as 'RISC_OSLib-5_02'

Detail:
  Somebody had modified the SWI call to Territory_Collate to be done
    via _swix instead of _kernel_swi, but didn't remove the _kernel_swi_regs
    variable (r) and didn't change the function return value to return the
    new "ret" variable instead of r.r[0] which gives arbitrary results - in
    particular it confuses qsort.
Admin:
  Tested that it builds.

Version 4.97. Tagged as 'RISC_OSLib-4_97'

Detail:
  If qsort is passed an invalid base pointer and the number of entries
    is zero, then due to some pointer artihmetic going wrong, it aborts.
    The fix is to trap zero length arrays and exit quickly.
Admin:
  Required by cmhg prior to version 5.20 which had an explicit fix to
    prevent triggering this bug.
  Reportedly this fix is required by PhotoDesk prior to version 3.03.

Version 4.96. Tagged as 'RISC_OSLib-4_96'

StrongARMfudge flag removed.
StrongARM compatibility set according to AMBKernel flag in Hdr:RISCOS
strftime %U and %W specifiers fixed for week 0.

Version 4.89. Tagged as 'RISC_OSLib-4_89'

Merged Spinner branch changes onto trunk (new RCA messages files and Makefile changes). Convert to srccommit while we're at it.

Removed a few $Revision's to prevent future spurious merge clashes.

Version 4.87. Tagged as 'RISC_OSLib-4_87'

If a module written in C uses function getenv, buffer space
is allocated in the RMA. This buffer was never freed, leading
to RMA leakage when the module was 'RMKill'ed or 'RMReInit'ed.

Changes

 c.armsys
   added function _terminate_getenv to free the buffer

 c.stdlib
   added flag getenv_finalised to the exit_s structure

   initialised getenv_finalised in function _exit_init

   atexit tests getenv_finalised, calls _terminate_getenv

 s.version
   version string changed to 4.86 (27 Jul 1998)