* harbour/include/hbgtinfo.ch
+ added new HB_GTI_FONTATTRIBUTE value: HB_GTI_FONTA_CTRLCHARS
When used it forces using CTRL characters (from chr(0) to chr(31))
directly without translation to CP437 unicode values.
In windows some fonts need it to correctly display them.
* harbour/src/rtl/gtwvt/gtwvt.h
* harbour/src/rtl/gtwvt/gtwvt.c
+ added support for
hb_gtInfo( HB_GTI_FONTATTRIBUTE, HB_GTI_FONTA_CTRLCHARS )
* harbour/src/rtl/hbgtcore.c
! do not replace CTRL chars with '?' in HB_GTSELF_GETUC() method