[Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)

["nakajima.akira at nttcom dot co.jp" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=22371

--- Comment #5 from Akira Nakajima <nakajima.akira at nttcom dot co.jp> ---
\xa1\xef is mapped to U+00A5(HALFWIDTH YEN) in EUC-JISX0213 and EUC-JIS-2004 by
following URL.
\xa1\xb1 is as same.

"However, with Unicode 3.2.0 the mappings differ in 3 codepoints."
http://search.cpan.org/~dankogai/Encode-JIS2K-0.03/JIS2K.pm#what_is_JIS_X_0213_anyway?

=============================================
http://charset.uic.jp/show/eucjisx0213/
http://x0213.org/codetable/euc-jis-2004-with-char.txt
char    JIS     Unicode
￣       0xA1B1  U+203E  # OVERLINE      Windows: U+FFE3
―       0xA1BD  U+2014  # EM DASH       Windows: U+2015
￥       0xA1EF  U+00A5  # YEN SIGN      Windows: U+FFE5
=============================================

=============================================
perl 5.24.3

# perl -e 'use Encode; use Encode::JISX0213; print encode("euc-jisx0213",
"\x{00a5}");' | od -tx1
0000000 a1 ef

# perl -e 'use Encode; use Encode::JISX0213; print encode("euc-jisx0213",
"\x{ffe5}");' | od -tx1
0000000 a1 ef
=============================================



But Python and "/usr/local/share/i18n/charmaps/EUC-JISX0213.gz"
 have mapping to U+FFE5.
I don't know which one is correct.

=============================================
Python 3.6.2

# python3 -c "print(u'\u00a5'.encode('euc-jisx0213'))"
Traceback (most recent call last):
  File "<string>", line 1, in <module>
UnicodeEncodeError: 'euc_jisx0213' codec can't encode character '\xa5' in
position 0: illegal multibyte sequence

# python3 -c "print(u'\uffe5'.encode('euc-jisx0213'))"
b'\xa1\xef'
=============================================

=============================================
/usr/local/share/i18n/charmaps/EUC-JISX0213.gz (Fedora 26)

<UFFE3>     /xa1/xb1     FULLWIDTH MACRON
<UFFE5>     /xa1/xef     FULLWIDTH YEN SIGN
=============================================

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