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From: | Paul Eggert |
Subject: | Re: [PATCH 1/2] posix: User scratch_buffer on fnmatch |
Date: | Sat, 6 Mar 2021 09:18:21 -0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 |
On 1/14/21 2:00 AM, Florian Weimer wrote:
We saw commercial demand for Shift-JIS much later than that.
Yes, I see Red Hat has a product enhancement for that, for coreutils, dated 2019.[1]
Shift-JIS is still very much alive and kicking in Japan in its own circles. Even DBCS EBCDIC is still used among old mainframe applications.[2] I very much doubt whether we need to worry about DBCS EBCDIC in GNU software, though.
Shift-JIS is a closer call as it's used a lot more than DBCS EBCDIC. However, my worry is that good support for non-ASCII-safe encodings like Shift-JIS is hard to do, and that any such support we'd add to Gnulib/coreutils/etc. would not only increase maintenance costs and reduce runtime performance, but also would be buggy in many oddball corner cases (and this would have security implications).
[1] https://access.redhat.com/errata/RHEA-2019:0008[2] https://www.ibm.com/support/knowledgecenter/en/SS4PJT_6.0.0/cd_zos/cdzos_admin/ZOS_Overview_of_DBCS.html
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