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The data link escape character was intended to be a signal to the other end of a data link that the following character is a control character such as STX or ETX. For example a packet may be structured in the following way <STX> <PAYLOAD> <ETX>.
Presentation: Control characters do not have a primary name, they are labeled like <control-0008>. Its alias name like BACKSPACE is used in the chart documentation, but never as a primary name. This prevents unintended (automated) replacement by the actual, disrupting control character. For example, using alias name BEL in line would be ...
Control-C is often used to interrupt a program or process, a standard that started with Dec operating systems. [citation needed] In TOPS-20, it was used to gain the system's attention before logging in. mIRC uses ETX as the escape character to start a command to set the color.
&name; where name is the case-sensitive name of the entity. The semicolon is required. Because numbers are harder for humans to remember than names, character entity references are most often written by humans, while numeric character references are most often produced by computer programs. [1]
Each character is shown with a potential Unicode equivalent if available. Space and control characters are represented by the abbreviations for their names. Space and control characters are represented by the abbreviations for their names.
A Unicode character is assigned a unique Name (na). [1] The name is composed of uppercase letters A–Z, digits 0–9, hyphen-minus and space.Some sequences are excluded: names beginning with a space or hyphen, names ending with a space or hyphen, repeated spaces or hyphens, and space after hyphen are not allowed.
Parameter 2: XX, Character name (e.g., SP), with link to appropriate article; Parameter 3: dd, Decimal character code, 1–3 digits (e.g., 32) For example, the first four ASCII control characters (Unicode U+0000 thru U+0003, decimal 0 thru 3) are coded as rows in a character set table like this:
Latin (52 characters) Common (76 characters) Major alphabets: English French German Spanish Vietnamese: Symbol sets: Arabic numerals Punctuation: Assigned: 128 code points 33 Control or Format: Unused: 0 reserved code points: Source standards: ISO/IEC 8859, ISO 646: Unicode version history; 1.0.0 (1991) 128 (+128) Unicode documentation; Code ...