DMD 1.019 and 2.003 releases

[BCS]

Russell Lewis wrote:
> James Dennett wrote:
> 
>> With D, at present, probably none.  Some mainframes and
>> some embedded environments are the only remaining ones
>> I know about (though my knowledge is, of course, a long
>> long way from being encyclopedic.)
> 
> 
> IBM still builds some machines which use EBCDIC, but with EBCDIC, things 
> are even worse: the characters aren't even arranged contiguously in the 
> space!  So in EBCDIC
>   char c;
>   int i = c - 'a';
> won't work!
> 

a-f and A-F are sequential so that works (after case conversion) and 
also a & A are different by only one bit so:

c |= 'a' ^ 'A'
c &= ~('a' ^ 'a')

works, as does

c += ('a' - 'A')