ref: 4e712807d7a2add9f93a265b25638e6f1ca32ff3
dir: /test/asm/invalid-utf-8-strings.asm/
; characters: ; 1: U+0061 a ; 2: U+00E4 a with diaresis (0xC3 0xA4) ; 3: U+0062 b ; 4: U+6F22 kanji (0xE6 0xBC 0xA2) ; 5: U+002C , ; 6: U+0061 a ; 7: invalid byte 0xA3 ; 8: invalid byte 0xA4 ; 9: U+0062 b ; 10: invalid bytes 0xE6 0xF0 ; 11: invalid byte 0xA2 ; 12: U+0021 ! invalid EQUS "aäb漢,a��b���!" n = STRLEN("{invalid}") copy EQUS STRSUB("{invalid}", 1) println "\"{invalid}\" == \"{copy}\" ({d:n})" mid1 EQUS STRSUB("{invalid}", 5, 2) mid2 EQUS STRSUB("{invalid}", 9, 1) println "\"{mid2}{mid1}\""