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Its 7-bit code is all-bits-on in binary, which essentially erased a character cell on a paper tape when overpunched. Paper tape was a common storage medium when ASCII was developed, with a computing history dating back to WWII code breaking equipment at Biuro Szyfrów. Paper tape became obsolete in the 1970s, so this clever aspect of ASCII ...
In 1973, ECMA-35 and ISO 2022 [18] attempted to define a method so an 8-bit "extended ASCII" code could be converted to a corresponding 7-bit code, and vice versa. [19] In a 7-bit environment, the Shift Out would change the meaning of the 96 bytes 0x20 through 0x7F [a] [21] (i.e. all but the C0 control codes), to be the characters that an 8-bit environment would print if it used the same code ...
Notice that the tab at the start of a line is removed outside <pre>, the eight-character spacing, and how a tab stop is skipped if there are more than eight characters since last one. CSS3 defines tab-size property, which adjusts the number of spaces for the tab character from the default of eight. [ 11 ]
To identify a feature or a selector control that reverses automatically the tape running direction every time the tape comes to either of its limits. Repeat once U+1F502 🔂 — Information: U+2139 ℹ #6222 Information, general; help, general: To identify the control to examine the status of the equipment. Reload U+1F503 🔃 — Refresh U+ ...
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The C language defines whitespace characters to be "space, horizontal tab, new-line, vertical tab, and form-feed". [29] The HTTP network protocol requires different types of whitespace to be used in different parts of the protocol, such as: only the space character in the status line, CRLF at the end of a line, and "linear whitespace" in header ...
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Some recent embedded systems also use proprietary character sets, usually extensions to ISO 8859 character sets, which include box-drawing characters or other special symbols. Other types of box-drawing characters are block elements , shade characters, and terminal graphic characters; these can be used for filling regions of the screen and ...