Relaxing the definition of isSomeString and isNarrowString

[Vladimir Panteleev via Digitalmars-d]

On Monday, 25 August 2014 at 01:31:35 UTC, H. S. Teoh via 
Digitalmars-d wrote:
> In D, an array of char, wchar, or dchar always means a Unicode 
> encoding.
> Non-Unicode encodings should be represented as ubyte[] (resp. 
> ushort[]
> or ulong[], if such exist) instead.

This doesn't get you far in practice if you want to actually 
operate on the text.