When I select in an NSTextView with isRichText = YES the character "。" = 
HALFWIDTH IDEOGRAPHIC FULL STOP U+FF61 Utf-8: EF BD A1and then look at the 
pasteboards (using Clipboard Viewer Version 4.0) I see:

public-utf8-plain-text and NSStringPasteboardType both have: "ef bd a1" which 
is ok.

But public-utf16-external-plain-text has: "ff fe 02 30" which is IDEOGRAPHIC 
FULL STOP U+3002, which is the char returned by 
...StringWithCompatibilityMapping(U+FF61).

That is: copy paste between rich texts changes the copied characters. Reminds 
me of this story: 
<http://www.theregister.co.uk/2013/08/06/xerox_copier_flaw_means_dodgy_numbers_and_dangerous_designs/>

Bug or feature?

I think this rather annoying - but maybe there is a very good reason for this 
strange behaviour.

Gerriet.

10.9



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