From 705d035281ed51926089e67722f63e7e7a8f9110 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Fri, 10 May 2024 17:58:21 -0300
Subject: [PATCH] nip54: identifier can contain number.

---
 nip54/nip54.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nip54/nip54.go b/nip54/nip54.go
index f29ebff..e4a4991 100644
--- a/nip54/nip54.go
+++ b/nip54/nip54.go
@@ -15,7 +15,7 @@ func NormalizeIdentifier(name string) string {
 
 	b := make([]rune, len(runes))
 	for i, letter := range runes {
-		if unicode.IsLetter(letter) {
+		if unicode.IsLetter(letter) || unicode.IsNumber(letter) {
 			b[i] = letter
 		} else {
 			b[i] = '-'