Decomposition/Compatibility Mapping Issue

From: Andre Schappo <>
Date: Thu, 3 Sep 2015 08:22:33 +0000

So ............... I was looking at and getting a cool looking Modified Regex Pattern. The last range ??-?? is CJK Compatibility Ideographs Supplement U+2F800-2FA1D.


So ....... then ....... I decided to copy/paste the above Modified Regex Pattern into Richard Ishida's Uniview

So ........ I then noticed that ?? U+2F800 was listed as ? U+4E3D [CJK Unified Ideographs]

Thus the decomposition/compatibility mapping U+4E3D was being substituted for the original U+2F800.

I was using Safari on OS X Yosemite. I repeated the above with Chrome and Firefox and there was no problem, no substitution occurred. Thus it appears to be a copy/paste problem with Safari or code used by Safari.

I could have so easily missed this problem. I wonder if there are similar decomposition/compatibility mapping issues.

André Schappo
Received on Thu Sep 03 2015 - 03:25:36 CDT

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