Enable editing of titles

internal/notes/views/views.go

@@ -80,10 +80,17 @@ func delete(w http.ResponseWriter, r *http.Request) {
 }
 
 func save(w http.ResponseWriter, r *http.Request) {
-	title := r.PathValue("note")
+	oldTitle := r.PathValue("note")
+	title := r.FormValue("title")
 	body := r.FormValue("body")
+
 	note := &notes.Note{Title: title, Body: []byte(body)}
 	note.Save()
+
+	if oldTitle != title {
+		notes.DeleteNote(oldTitle)
+	}
+
 	http.Redirect(w, r, myurls.Reverse("view", urls.Repl{"note": title}), http.StatusFound)
 }