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Re: [bug-gnu-libiconv] Mac encoding/Apple symbol

From: Bruno Haible
Subject: Re: [bug-gnu-libiconv] Mac encoding/Apple symbol
Date: Thu, 12 Sep 2019 09:58:08 +0200
User-agent: KMail/5.1.3 (Linux/4.4.0-159-generic; KDE/5.18.0; x86_64; ; )


C.W. Betts wrote:
> I noticed, when using FontForge, that libiconv didn’t translate the symbol at 
> code-point 0x70 (or option-shift-k on the Mac) to 0xf8ff (the Unicode value 
> Apple uses to represent the Apple symbol) but to nothing (-1, or no Unicode 
> code point).
> Looking at the source code, it looks like the first value on this line 
> http://git.savannah.gnu.org/cgit/libiconv.git/tree/lib/mac_roman.h#n47 should 
> be changed to 0xf8ff.

You mean tha code-point for 0xF0.

libiconv does not map this code-point because:
  1) U+F8FF is a private-use code-point. I.e. it may display the Apple symbol
     on some platforms but not on most others.
  2) This mapping was not part of the mapping table published at unicode.org 


[1] https://www.haible.de/bruno/charsets/conversion-tables/Mac-Roman.html

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