From e8d5c59e65352fed1184f2864befa663ef9fcadd Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Tue, 20 Feb 2018 02:02:30 +0900
Subject: [PATCH] ebitenutil: Update doc

---
 ebitenutil/debugprint.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ebitenutil/debugprint.go b/ebitenutil/debugprint.go
index 3428c51e4..d71724901 100644
--- a/ebitenutil/debugprint.go
+++ b/ebitenutil/debugprint.go
@@ -32,6 +32,8 @@ var defaultDebugPrintState = &debugPrintState{}
 
 // DebugPrint draws the string str on the image.
 //
+// The available runes are in U+0000 to U+00FF, which is C0 Controls and Basic Latin and C1 Controls and Latin-1 Supplement.
+//
 // DebugPrint always returns nil as of 1.5.0-alpha.
 func DebugPrint(image *ebiten.Image, str string) error {
 	defaultDebugPrintState.DebugPrint(image, str)