const golang.org/x/text/secure/precis.japanese
2 uses
golang.org/x/text/secure/precis (current package)
context.go#L72: japanese: {set: bJapanese},
trieval.go#L48: japanese // hirigana, katakana, han
The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)