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disallow some bad characters in foldPermissive

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This commit is contained in:
Shivaram Lingamneni 2019-12-22 09:19:28 -05:00
parent 0df25e0e30
commit 2d4dbeba1c
2 changed files with 17 additions and 0 deletions
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5
irc/strings.go
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@ -271,6 +271,11 @@ func IsPureASCII(str string) bool {
}
func foldPermissive(str string) (result string, err error) {
for _, r := range str {
if unicode.IsSpace(r) || r == 0 {
return "", errInvalidCharacter
}
}
// YOLO
str = norm.NFD.String(str)
str = cases.Fold().String(str)