From f9b5224ae0899c42327fda0ee46d88e5299962c3 Mon Sep 17 00:00:00 2001
From: Shivaram Lingamneni <slingamn@cs.stanford.edu>
Date: Wed, 18 Dec 2019 08:19:36 -0500
Subject: [PATCH] have realSkeleton use cases.Fold as well

---
 irc/strings.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/irc/strings.go b/irc/strings.go
index e03f15d2..bf229f93 100644
--- a/irc/strings.go
+++ b/irc/strings.go
@@ -12,7 +12,6 @@ import (
 
 	"github.com/oragono/confusables"
 	"golang.org/x/text/cases"
-	"golang.org/x/text/language"
 	"golang.org/x/text/secure/precis"
 	"golang.org/x/text/unicode/norm"
 	"golang.org/x/text/width"
@@ -198,7 +197,7 @@ func realSkeleton(name string) (string, error) {
 	// violate the bidi rule). We also don't care if they contain runes
 	// that are disallowed by PRECIS, because every identifier must independently
 	// pass PRECIS --- we are just further canonicalizing the skeleton.
-	return cases.Lower(language.Und).String(name), nil
+	return cases.Fold().String(name), nil
 }
 
 // maps a nickmask fragment to an expanded, casefolded wildcard: