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Subject: Re: [amqp] Case insensitive comparisons


As I said on the call, there is a HUMAN expectation that case doesn't matter - so lots of compute time is spent case mapping. For machine interactions, I'm less convinced that there's a problem with case sensitive strings.

bill

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William CoxÂ

Email: wtcox@CoxSoftwareArchitects.comÂ

Web: http://www.CoxSoftwareArchitects.comÂ

+1 862 485 3696 mobile


On 9/7/18 7:19 AM, Rob Godfrey wrote:
On Fri, 7 Sep 2018 at 11:48, Clemens Vasters <clemensv@microsoft.com> wrote:

For the case insensitive comparison rules, Iâm looking towards adopting the recommendation from W3C Character Model for Web draft for case-insensitive Unicode comparisons. The doc seems to be in a permanent WD state, though.

Â

https://w3c.github.io/charmod-norm/#sec_unicode_cs

Â

Itâs quite the rabbit hole, but I think the implementation burden is already handled by many/most Unicode aware string handling libraries.


Yes - without more context such as the language being used it does not seem like the problem can actually be solved :)
ÂÂ

Before I head down that direction, any objections?

Â
No objections. My only concerns are clarity in definition and the wide availability of existing implementations of whatever algorithm is adopted. This approach would seem to satisfy those criteria.

-- Rob



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