accept say in headers for more length

src/device/input/parse/v01/server.go

@@ -80,6 +80,9 @@ func (v01 *V01) globalQueries(r *http.Request) {
 
 func (v01 *V01) globalQuerySay(r *http.Request) {
 	text := r.URL.Query().Get("say")
+	if text == "" {
+		text = r.Header.Get("say")
+	}
 	if text == "" {
 		return
 	}