Search results
Results From The WOW.Com Content Network
ICANN rules prohibit domain names from containing non-displayed characters, including the zero-width space, and most browsers prohibit their use within domain names because they can be used to create a homograph attack, where a malicious URL is visually indistinguishable from a legitimate one.
delete character, U+007F (DEL) C0 control, U+0000–U+001F (NULL–US) C1 control, U+0080–U+009F (XXX–APC) To resolve invisible-character errors, remove or replace the identified character. Most intentional white-space characters should be replaced with a normal space character (i.e. press your keyboard's space bar).
Text-processing software typically assumes that an automatic line break may be inserted anywhere a space character occurs; a non-breaking space prevents this from happening (provided the software recognizes the character). For example, if the text "100 km" will not quite fit at the end of a line, the software may insert a line break between ...
In contrast, a character entity reference refers to a character by the name of an entity which has the desired character as its replacement text. The entity must either be predefined (built into the markup language) or explicitly declared in a Document Type Definition (DTD). The format is the same as for any entity reference: &name;
ISO keyboard symbol for ZWJ. The zero-width joiner (ZWJ, / ˈ z w ɪ dʒ /; [1] rendered: ; HTML entity: ‍ or ‍) is a non-printing character used in the computerized typesetting of writing systems in which the shape or positioning of a grapheme depends on its relation to other graphemes (complex scripts), such as the Arabic script or any Indic script.
Most East Asian characters are usually inscribed in an invisible square with a fixed width. Although there is also a history of half-width characters, many Japanese, Korean and Chinese fonts include full-width forms for the letters of the basic roman alphabet and also include digits and punctuation as found in US ASCII. These fixed-width forms ...
In particular some fonts display the character as a fixed-width blank. However, the Unicode standard explicitly states that it does not act as a space, [ 2 ] a statement added in response to a comment that it should be treated as a space.
Using whitespace characters to layout text is a convention. Applications sometimes render whitespace characters as visible markup so that a user can see what is normally not visible. Typically, a user types a space character by pressing spacebar, a tab character by pressing Tab ↹ and newline by pressing ↵ Enter.