Thus, such characters might potentially be useful in a very very long title, in a language that doesn't use spaces, to indicate where to put a line break in the title. Zero-width space characters are intended to be used in languages that have no visible word spacing to represent word break or line break opportunities, such as Thai, Myanmar, Khmer, and Japanese." I'm not sure if that is the case for Zero width space, but certainly is for other zero width characters (ZWNJ, etc)- so we should be careful before excluding any such characters.įrom the spec - "Zero width space indicates a word break or line break opportunity, except that it has no width. Unicode refers to the universal coded character set and contains thousands of characters. It is usually an empty Unicode character or a text type such as U+0020, U+00A0, U+FEFF, etc. The white space character does not appear on the screen. "Invisible" characters are sometimes needed for typographical reasons. Invisible text or invisible characters are used to represent empty space without using the space key. That is some customization on the Wikipedia side (abuse filter presumably). Is there any reason to do more than this?
Since they are invisible by default, most word processors allow you to change document settings and view these characters. They tell the word processors what a document is supposed to look like (visual presentation).
We already make it impossible to create pages with invisible spaces: The upside down red question marks are invisible characters. Invisible or non-printing characters are a part of a character set that is not displayed while writing.
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