* harbour/contrib/hbw32/dllcall.c
* minor cleanup in return values
* harbour/contrib/hbole/ole2.c
* cleaned casting in UNICODE conversions
* harbour/source/common/expropt2.c
* replicate CA-Cl*pper compile time optimization bugs:
"" $ <literString> => .T.
AT( "", <literString> ) => 1
CHR( 256 ) => ""
only when Harbour extensions (-kh) are not enabled, f.e.
in strict Clipper compatibility mode (-kc)
* harbour/utils/hbtest/rt_hvma.prg
* harbour/utils/hbtest/rt_str.prg
* updated to test Clipper and Harbour compile time modes in
the above situations
* harbour/common.mak
* harbour/source/rtl/Makefile
- harbour/source/rtl/strings.c
* harbour/source/common/hbstr.c
* moved hb_strEmpty() from RTL to COMMON library
* harbour/include/hbexprb.c
* harbour/include/hbexprop.h
* harbour/source/common/expropt2.c
+ added compile time optimization for EMPTY() function
; removed 'TODO: empty optimization' note
* harbour/source/rtl/itemseri.c
% compress trailing spaces during string item serialization
* harbour/include/hbapi.h
* harbour/source/vm/hashes.c
+ added hb_hashAddNew() - works like hb_hashAdd() but it adds item
only if new key is used
* harbour/source/vm/hvm.c
* use hb_hashAddNew() instead of hb_hashAdd() for HB_P_HASHGEN
I cannot revert the order of hash item during compilation because
it will also change the order of user expression evaluation.
* harbour/harbour.spec
! added workaround for undefined Epoch tag
* harbour/source/rtl/Makefile
* harbour/common.mak
- harbour/source/rtl/terror.prg
- removed .prg level ERROR class
* harbour/include/hbapierr.h
* harbour/source/rtl/errorapi.c
+ added ERROR class supported at .c level and updated all necessary
functions to work without PCODE execution - it should allow to
create and update ERROR object when HVM has active exceptions
* harbour/utils/hbtest/rt_hvma.prg
* harbour/utils/hbtest/rt_misc.prg
* harbour/utils/hbtest/rt_array.prg
* update HBTEST for new ERROR object structure
