// Copyright (C) 2016 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-unicode-format-control-characters description: > Mongolian Vowel Separator can appear in regular expression literals. info: > 11.1 Unicode Format-Control Characters The Unicode format-control characters (i.e., the characters in category “Cf” in the Unicode Character Database such as LEFT-TO-RIGHT MARK or RIGHT-TO-LEFT MARK) are control codes used to control the formatting of a range of text in the absence of higher-level protocols for this (such as mark-up languages). It is useful to allow format-control characters in source text to facilitate editing and display. All format control characters may be used within comments, and within string literals, template literals, and regular expression literals. features: [u180e] ---*/ // U+180E in regular expressions; UTF8(0x180E) = 0xE1 0xA0 0x8E assert.sameValue(/᠎/.source, "\u180E");