[mercury-users] Character type class

[Michael Day]

> 	What do people want to see in a character type class?
> 		- comparisons and orderings with respect to locale

<very informative snip>

> Provide locale-dependent *string* ordering (the ISO draft standard I
> mentioned above has several recommended interfaces)

So, the only sensible way to relate two characters is by their position in
the code table, ignoring any locale information? That seems quite
reasonable. Perhaps offer two varieties of string comparison, one that
respects locale and one that does a faster comparison purely by character
code, for use when building tree based maps of strings or similar?

Michael
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