ref: 1f367e15dd5f42f1969ca9f681811e62bfe76316
parent: 55edec2b8a9cdb40176a8e278a32ade57a6bd092
author: aiju <devnull@localhost>
date: Sat Jun 2 03:49:37 EDT 2018
fix incorrect character range in vga/unicode.font leading to missing CJK characters