After commit c018f5fd29 Fenrir is being switched over to go. If you do not want to be part of the testing process, please switch to master.

internal/presentation/phonetic.go

@@ -0,0 +1,21 @@
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package presentation
+
+import "unicode"
+
+// Phonetic_letter matches Python Fenrir's alphabet, including its capitalization.
+// Other runes use the active punctuation profile's character naming instead.
+func Phonetic_letter(char rune) string {
+	words := [...]string{"alpha", "bravo", "charlie", "delta", "echo", "foxtrot", "golf", "hotel", "india", "juliet", "kilo", "lima", "mike", "november", "oscar", "papa", "quebec", "romeo", "sierra", "tango", "uniform", "victor", "whisky", "x ray", "yankee", "zulu"}
+	upper := unicode.ToUpper(char)
+	if upper < 'A' || upper > 'Z' {
+		return ""
+	}
+	word := words[upper-'A']
+	if unicode.IsUpper(char) {
+		word = string(unicode.ToUpper(rune(word[0]))) + word[1:]
+	}
+	return word
+}