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Topic: Control character


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  Control character - Wikipedia, the free encyclopedia
In computing, a control character or non-printing character, is a code point (a number) in a character set that does not in itself represent a written symbol.
The transmission control characters were intended to structure a data stream and manage retransmission or graceful failure as needed in the face of transmission errors.
The escape character was intended to be a marker of a binary (ie, non text character) value in a data stream that might otherwise be interpretable as a control character.
en.wikipedia.org /wiki/Control_character   (1881 words)

  
 Character Sets: MARC-8 Environment (Library of Congress)
Graphic character sets may be represented by either 8 bits per character, or, where a larger number of characters needs to be accommodated by the character set, by more than 8 bits codes per character (usually in multiples of 8).
The latter two control characters are used to control the environment of graphic characters whose proximity to other characters affects their processing.
Escape sequences to designate alternate graphic character sets may occur wherever the alternate characters are needed, e.g., within a word, at the beginning of a subfield, or in the middle of a subfield.
www.loc.gov /marc/specifications/speccharmarc8.html   (2547 words)

  
 Guidelines for the Non-Sorting Control Character Technique (Library of Congress)
With Proposal No 98-16R (Nonfiling characters in all MARC formats), the MARC 21 community approved the use of beginning and ending control characters to block off nonfiling or non-sorting characters in MARC 21 records.
When the non-sorting control characters are used for a non-sorting zone for which the nonfiling indicator is defined, the nonfiling indicator value must be set to zero.
Non-sorting control characters may also be used in the same fields and subfields as those of the authority format when those fields and subfields occur in the MARC 21 classification format.
www.loc.gov /marc/nonsorting.html   (728 words)

  
 HP-UX 10.20 man page: stty(1)
The control characters are assigned default values when the terminal port is opened, see termio(7).
The default values for the control characters may be changed by a user with root capability by using and redirecting stdin to the device Any of the four command forms specified in the Description section above may be used.
Control character values should be tested with applications before assigning them as a default value.
www.cae.wisc.edu /manuals/unix-man/hpux-10.20/stty.1.html   (1074 words)

  
 ASCII
A transmission control character used by a synchronous transmission system in the absence of any other character (idle condition) to provide a signal from which synchronism may be achieved or retained between data terminal equipment.
A transmission control character used to indicate the end of a transmission block of data where data is divided into such blocks for transmission purposes.
A control character that may be used to identify the physical end of a medium, or the end of the used portion of a medium, or the end of the wanted portion of data recoreded on a medium.
www.sxlist.com /techref/ascii.htm   (1737 words)

  
 Character (Java 2 Platform SE v1.4.2)
If a character has no explicit titlecase mapping and is not itself a titlecase char according to UnicodeData, then the uppercase mapping is returned as an equivalent titlecase mapping.
If the character has a numeric value that cannot be represented as a nonnegative integer (for example, a fractional value), then -2 is returned.
A character is considered to be a space character if and only if it is specified to be a space character by the Unicode standard.
java.sun.com /j2se/1.4.2/docs/api/java/lang/Character.html   (2300 words)

  
 Microsoft Middleeast - MSDN
To deal with these cases, a set of directional formatting control characters are defined to control the ordering of characters when rendered.
The RLM character acts as another Arabic character and so the bracket (which is a weak character) changes its direction and moves to its correct place.
The LRM character acts as another Latin character and so the dot (which is a weak character) changes its place.
www.microsoft.com /middleeast/msdn/Control.aspx   (763 words)

  
 [No title]   (Site not responding. Last check: 2007-10-05)
It defines all the C1 control characters, and specifies that certain two-character ESCape sequences in the 7-bit environment are to act exactly like the 8-bit C1 control set.
Definitions: Control Character - A single character with an ASCII code with the range of 000 to 037 and 200 to 237 octal, 00 to 1F and 80 to 9F hex.
Intermediate characters are space through slash (40 to 57 octal, 20 to 2F hex) and parameter characters are zero through question mark (60 to 77 octal, 30 to 3F hex, including digits and semicolon).
www.inwap.com /pdp10/ansicode.txt   (1253 words)

  
 [No title]
STX (Start of Text): A communication control character which precedes a sequence of characters that is to be treated as an entity and entirely transmitted through to the ultimate destination.
CAN (Cancel): A control character used to indicate that the data with which it is sent is in error or is to be disregarded.
EM (End of Medium): A control character associated with the sent data which may be used to identify the physical end of the medium, or the end of the used, or wanted, portion of information recorded on a medium.
www.ietf.org /rfc/rfc20.txt   (1625 words)

  
 control_pages
I'll be using a character I built a little while back to run through the process.
The scripts that are associated to the control buttons are simple code, cut and pasted from the script editor, with minimal adjustment.
Character Control Pages in XSI Written and Performed by Adam Sale, Techncial Director Joncrow Entertainment.
www.joncrow.com /tutorials/xsi_tuts/SYNOPTICS/synoptic_controls.htm   (1449 words)

  
 6.18 curses.ascii -- Utilities for ASCII characters   (Site not responding. Last check: 2007-10-05)
Checks for any printable ASCII character which is not a space or an alphanumeric character.
Return the control character corresponding to the given character (the character bit value is bitwise-anded with 0x1f).
Return the 8-bit character corresponding to the given ASCII character (the character bit value is bitwise-ored with 0x80).
www.python.org /doc/current/lib/module-curses.ascii.html   (423 words)

  
 Tamil Standard Code TSCII and 8-bit Coded Character sets
A set of up to 30 control characters represented by bit combinations 00/00 to 01/15, except 00/14 and 00/15 which shall not be used.
All graphic characters allocated to bit combinations in the range 01/07/14 are spacing characters, that is they cause the active position to advance by one character spacing.
No specific control characters are allocated to bit combinations 08/00 to 08/13 and 09/00 to 09/15 by this standard.
www.geocities.com /Athens/5180/8bitstd.html   (1501 words)

  
 [Chapter 45] 45.35 Using a Control Character in a Script   (Site not responding. Last check: 2007-10-05)
There are times when you need to use non-printing control characters in a script file.
Another time you might also need to use non-printable strings of characters is for controlling a terminal; you won't want to type an Escape character directly into the file.
The answer is to use a command that will create the control characters as the script runs - and store them in shell variables.
www.serve.com /~josh/books/unix/upt/ch45_35.htm   (261 words)

  
 Shift-Out/Shift-In Control Character Handling
The shift-out/shift-in (SO/SI) control characters are handled slightly differently between the Asian HP terminal and the IBM Asian display station.
If a field is already full, and Pass Thru attempts to insert SO and SI control characters around the DBCS characters, data overflow may occur, because Pass Thru has no room to insert the additional SO and SI control characters.
Instead of displaying the SO and SI control characters directly on the HP terminal, Pass Thru will map the SO and SI characters to a single-byte blank and display them as blanks on the HP terminal screen.
docs.hp.com /en/30293-90006/apgs03.html   (287 words)

  
 ASA Carriage Control Characters   (Site not responding. Last check: 2007-10-05)
The first character in each record (line) of formatted output defines a carriage control character to the lineprinter, often called ASA-character, for a previous name of the US Standardization Organization ANSI.
It is only in that case the carriage control characters are being used automatically (by default).
Using UNIX it is more complicated to utilize the control characters, it is being done differently by different manufacturers.
www.nsc.liu.se /~boein/f77to90/asa.html   (342 words)

  
 FAQ - Character Properties, Case Mappings and Names
A: Private use characters (also known as user defined characters) are used commonly in East Asia, particularly Japan, China, and Korea, to extend the available characters in various national standard and vendor character sets.
A: No. The ISO 8859-1 standard defines the SOFT HYPHEN as "[a] graphic character that is imaged by a graphic symbol identical with, or similar to, that representing hyphen" (section 6.3.3), but does not specify details of how or when it is to be displayed, nor other details of its semantics.
The change in semantics of the Unicode character does not require that implementations of terminal emulators in other environments, such as ISO 8859-1, make any change in their current behavior.
www.unicode.org /faq/casemap_charprop.html   (1926 words)

  
 control character - Webopedia.com
A special, non-printing character that begins, modifies, or ends a function, event, operation or control operation.
The ASCII character set defines 32 control characters.
Now, however, they are often used to control display monitors, printers, and other modern devices.
itmanagement.webopedia.com /TERM/C/control_character.html   (56 words)

  
 ASCII Character Set
This character set is a subset of many other character sets with 256 characters, including the ANSI character set of MS Windows, the Roman-8 character set of HP systems, and the IBM PC Extended Character Set of DOS, and the ISO Latin-1 character set used by Web browsers.
The first 32 values are non-printing control characters, such as Return and Line feed.
For example, Bell is value 7, Control plus G, often shown in documents as ^G. Notice that 7 is 64 less than the value of G (71); the Control key subtracts 64 from the value of the keys that it modifies.
www.robelle.com /library/smugbook/ascii.html   (210 words)

  
 Character Set List
Both Tibetan characters and the characters used to indicate Sanskrit transliteration are included, so the total character repertoire is likely as large as the number of surviving Tibetans.
The original non-contiguous character layout of EBCDIC was rooted in the idea that the two halves of the character set, when superimposed, could form a smaller yet still useful character set.
ISFOC 'character' are not characters or even linguistically recognizable entities of any kind; they are elements which are combined jigsaw-style to build up a glyph.
www.jbrowse.com /text/charsets.html   (9294 words)

  
 Link Control Options
, is used on asynchronous links, such as telephone lines, to identify control characters that must be escaped (replaced by a specific two-character sequence) to avoid them being interpreted by equipment used to establish the link.
If a bit is set in the bitmap, it signals that the corresponding character must be escaped before it is transmitted across the link.
Each character that appears in the async map results in two characters being transmitted across the link, so escaping comes at the cost of increased link utilization and a corresponding performance reduction.
www.faqs.org /docs/linux_network/x6968.html   (714 words)

  
 13.5. Character Control-Bit Functions
The values of these named constants are the ``weights'' (as integers) for the four named control bits.
Macintosh II extended keyboards also have keys marked control whose use is analogous to that of hyper on the old M.I.T. keyboards.
A character is returned that is just like char except that the named bit is set or reset according to whether newvalue is non-
ccrma.stanford.edu /software/cltl/clm/node140.html   (383 words)

  
 ASCII - ISO 8859-1 Table with HTML Entity Names   (Site not responding. Last check: 2007-10-05)
The HTML concepts of character references and entity references (entity names) are defined in the document "Special Characters" in HTML.
Indicates a character whose entity name is not defined in ISO 8879 or is unknown to the author.
Indicates a Greek letter for which an entity name is not necessary since its glyph and character code value are the same as the Latin.
www.bbsinc.com /iso8859.html   (1280 words)

  
 Forum - character control
What is the present understanding of the level of character control.
Will I be pointng my character in the general direction and watchng it go to work with a mind of its own, or am I in control of its movemnt.
judging from my interpretation of what they want, character control (including movement, combat, and general world interaction) Adellion's interface will be sort of a cross between classic rpg and fps.
www.adellion.com /forum/showthread.php?t=106   (542 words)

  
  Appendix C. 3270 Bit Assignment and Character Translation Tables 
See Table C-3, “Command Codes for IBM Control Units” for 3270 command codes for IBM control units.
Information about ASCII and EBCDIC character translation tables and HP 3000 Native Language Support (NLS) is also provided at the end of this Appendix.
See Table C-3, “Command Codes for IBM Control Units” for the Command Codes for IBM Control Units.
docs.hp.com /en/30293-90009/apc.html   (441 words)

  
 IGN Boards - who do you think is the hardest character to control
I myself haven't really found a character that was difficult to control.
I never dissed Christie, I said that I personally find her difficult to play with on the top tier level, which is really a compliment for her.
As for hardest to control for me, I have a lot of problems with Yoshimitsu, I always end up stabbing myself.
boards.ign.com /board/b6428/104359384/p1?9   (1082 words)

  
 [No title]
The ISO and ANSI spec say that the various erase escape sequences put the character position into the erase state, and then say that the representation of the erase state is implementation specific.
Some that do not are the names given to the vt100 line-drawing characters, e.g., upper_right_corner = "k", vertical_bar = "x", but that's part of the ac (termcap) or acsc (terminfo) string.
The sequences were something like \001\003, \001\007\, \001\012\, etc.; the first character was (I believe) a CTRL+A followed by some other control character, not introduced by an escape.
www.cs.utk.edu /~shuford/terminal/color_control_news.txt   (10412 words)

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