. level-1.txt(常用简体字),level-2.txt,level-3.txt is refer to
	GitHub shengdoushi/common-standard-chinese-characters-table
. this tables are China "通用规范汉字表"
. extract only simplified chinese, not find in traditional chinese, result in level-1-sc.txt only, for check selected chars are sc or tc.
. replace CHR(13)+CHR(0)+CHR(10)+CHR(0) in level-1-sc-only-unicode.txt to clear linefeed, this file is in code UCS-2, no file header.
	take vfp to replace, STRTRAN(file,CHR(13)+CHR(0)+CHR(10)+CHR(0),'')
. convert level-1-sc-only-unicode-singleline.txt to level-1-tc-only-unicode-singleline.txt
. final take level-1-tc-only-unicode-singleline.txt inside exe, traditional code inside tc os will not have display error. but sc char in tc os will have display error.