Deleting Lone Surrogates

Martin J. Dürst duerst at
Mon Oct 5 06:50:14 CDT 2015

On 2015/10/05 04:30, Asmus Freytag (t) wrote:
> On 10/4/2015 6:02 AM, Richard Wordingham wrote:
>> In the absence of a specific tailoring, is the combination of a lone
>> surrogate and a combining mark a user-perceived character?  Does a lone
>> surrogate constitute a user-perceived character?
> In an editing interface, a lone surrogate should be a user perceived character,
> as otherwise you won't be able to manually delete it. Markus suggests that it be
> treated like an unassigned code point.

In an editing tool (of which an editing interface is a part of), a lone 
surrogate should just be removed! Apparently, that's what happens in 
Richard's case, but only eventually.

Regards,   Martin.

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