Character set encoding names

[Akira TAGOH]

> texttops currently does not support double-byte or variable-byte
> text encodings other than UTF-8, thus there is no file for windows-932
> aka Shift JIS aka WINDOWS-31J.

windows-932 and Shift JIS is different encoding in a narrow sense. it may be less likely any damages so far so that texttops doesn't support the multibytes characters at all. However it will finally causes the breakages when it appears, because some codepoints are incompatible between them.
Assigning the similar encoding from Shift JIS locale, but not exactly the same encoding is misleading.

Again, correctly windows-932 aka CP932 aka windows-31j. but NOT Shift JIS.

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Akira TAGOH