On 31/01/12 1:05 PM, Sean Conner wrote:
   On 31 Jan 2012
at 11:21, Sean Conner wrote:
>
>    A friend recently raised an issue with some code I wrote (a hex dump
> routine) saying it depended upon ASCII ... 
    He suggested the
"0123456789ABCDEF"[value&  0x0F] approach (as did a few
 others here). 
 
This is essentially how Professor Knuth achieved portability to
non-ASCII systems for TeX, METAFONT and his other tools.
--Toby
   -spc (But he did mention non-ASCII based systems as the basis for his
        complaint)