什么是“ ANSI_X3.4-1968”？编码？ [英] What's "ANSI_X3.4-1968" encoding?
问题描述
请参见系统上的以下输出：
See following output on my system:
[STEP 101] # python3 -c 'import sys; print(sys.stdout.encoding)'
ANSI_X3.4-1968
[STEP 102] #
[STEP 103] # locale
LANG=C
LANGUAGE=en_US:en
LC_CTYPE="C"
LC_NUMERIC="C"
LC_TIME="C"
LC_COLLATE="C"
LC_MONETARY="C"
LC_MESSAGES="C"
LC_PAPER="C"
LC_NAME="C"
LC_ADDRESS="C"
LC_TELEPHONE="C"
LC_MEASUREMENT="C"
LC_IDENTIFICATION="C"
LC_ALL=C
[STEP 104] #
Googled，但发现的信息很少。甚至Python的 Python库参考（v3.5.2）也没有提及它。
Googled but found very little info about it. Even Python's The Python Library Reference (v3.5.2) does not mention it. Any international standard defines it?
（是否从接受的答案中复制了权威引用：字符集）
(Copied the authoritative ref from the accepted answer's comment: Character Sets)
推荐答案
这是 USAS X3.4-1968 的另一个名称，它是 ASCII 的修订版
This is another name for USAS X3.4-1968, a revision of ASCII that is distinguished by being:
-
允许换行的第一个修订版（
LF）可以单独发生（即，在回车符之前（CR）没有出现。）
the first revision to allow a linefeed (
LF) to occur on its own (i.e. not preceded by or followed by a carriage return (CR)).
引入了（US-）ASCII 通用名称的修订。
the revision that introduced the common name of (US-)ASCII.
我们认为，这基本上是 ASCII ，尽管紧随其后有两个小修改。
This is basically ASCII as we think of it, although there were two minor revisions that followed it.
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