Tomohiro KUBOTA <tkubota@riken.go.jp>:
> I think these ASCII variants are ISO 646. For example, please
> check chapter of "Domestic ISO 646 Character Tables" found at
> http://kanji.zinbun.kyoto-u.ac.jp/~yasuoka/CJK.html
> I'd like you to mention the word "ISO 646" (though it may not
> very important because it is not widely used and Linux does not
> support it).
However, glibc's iconv can convert them:
$ echo '{' | /usr/bin/iconv -f iso646-pt -t utf-8
ã
Edmund