Stringprep

RFC 3454 Preparation of Internationalized Strings ("stringprep")

https://doi.org/10.17487/RFC3454

https://www5d.biglobe.ne.jp/stssk/rfc/rfc3454j.html

廃止 → RFC 8264, 8265, 8266 PRECIS Frameworkに移行か?

国際化ドメイン名 IDNA2003で採用されたがIDNA2008では廃止、Unicode標準の手順( UTS #46 ) を使うらしい

他の用途向けに8264があるかもしれない

Unicode 3.2の文字をASCII文字に割り当てる規則的なもの

使用できる文字やNFC的なものを決めたもの

3. Mapping

使えない文字

table:行単位テキストで有効な文字

00AD SOFT HYPHEN

1806 MONGOLIAN TODO SOFT HYPHEN

200B ZERO WIDTH SPACE

2060 WORD JOINER

FEFF ZERO WIDTH NO-BREAK SPACE

table:字形選択など

034F COMBINING GRAPHEME JOINER

180B MONGOLIAN FREE VARIATION SELECTOR ONE

180C MONGOLIAN FREE VARIATION SELECTOR TWO

180D MONGOLIAN FREE VARIATION SELECTOR THREE

200C ZERO WIDTH NON-JOINER

200D ZERO WITTH JOINER

FE00 VARIATION SELECTOR-1

FE01 VARIATION SELECTOR-2

FE02 VARIATION SELECTOR-3

FE03 VARIATION SELECTOR-4

FE04 VARIATION SELECTOR-5

FE05 VARIATION SELECTOR-6

FE06 VARIATION SELECTOR-7

FE07 VARIATION SELECTOR-8

FE08 VARIATION SELECTOR-9

FE09 VARIATION SELECTOR-10

FE0A VARIATION SELECTOR-11

FE0B VARIATION SELECTOR-12

FE0C VARIATION SELECTOR-13

FE0D VARIATION SELECTOR-14

FE0E VARIATION SELECTOR-15

FE0F VARIATION SELECTOR-16

RFC 6885 Stringprep Revision and Problem Statement

profile

RFC 3491 Nameprep IDNA2003 → RFC 5891 IDNA2008で廃止

RFC 4013 SASLprep SASL ユーザ名、パスワード用 → RFC 7613 →RFC 8265 PRECIS Framework

RFC 6122 Extensible Messaging and Presence Protocol (XMPP): Address Format → 7622

https://datatracker.ietf.org/doc/rfc7622/

https://tex2e.github.io/rfc-translater/html/rfc7622.html

RFC 4518 Lightweight Directory Access Protocol (LDAP): Internationalized String Preparation

IDNA2008

後継 Unicode UTS #46 https://unicode.org/reports/tr46/