# Zero-width character test Below are 34 zero-width Unicode characters, placed between underscores. Does your browser display them? Your text editor? Your terminal? To understand why not displaying them might be a problem, read "Tracking via pasted text": gopher://rawtext.club/0/~nervuri/stega.txt As a point of reference, here are a few positive-width Unicode characters: 0020: _ _ | 00E9: _é_ | 03A9: _Ω_ | 5B57: _字_ | 1F407: _🐇_ ## Zero-width characters 061C: _؜_ 180E: _᠎_ 200B: _​_ 200C: _‌_ 200D: _‍_ 200E: _‎_ 200F: _‏_ 202A: _‪_ 202B: _‫_ 202C: _‬_ 202D: _‭_ 202E: _‮_ 2060: _⁠_ 2061: _⁡_ 2062: _⁢_ 2063: _⁣_ 2064: _⁤_ 2066: _⁦_ 2067: _⁧_ 2068: _⁨_ 2069: _⁩_ 206A: __ 206B: __ 206C: __ 206D: __ 206E: __ 206F: __ FEFF: __ FFF9: __ FFFA: __ FFFB: __ E0001: _󠀁_ E0020: _󠀠_ ... (E0020–E007F formerly used for tagging texts by language) E007F: _󠁿_ This is probably not a complete list. Contact me if you know of any others. As of February 2021, Unicode contains 143,859 characters. Unicode Character Database: https://www.unicode.org/Public/UCD/latest/ ## Programs which pass the test Less - when used with the "-U" option: https://www.greenwoodsoftware.com/less/ Contact me if you know of any others. ## Other protocols This test page is also available on Gemini and the Web: gemini://rawtext.club/~nervuri/zero-width.gmi https://nervuri.net/zero-width ## Contact info gopher://rawtext.club:70/0/~nervuri/contact.txt __________________________________________________________________________ Published: 2021-02-20 Updated: 2021-03-20 Source (contributions welcome): https://gitlab.com/nervuri/nervuri.net/-/blob/master/gopher/zero-width.txt License: CC-BY-SA: https://creativecommons.org/licenses/by-sa/4.0/