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Topic: Metasyntax


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In the News (Wed 23 Dec 09)

  
  metasyntax - Definitions from Dictionary.com
The best known example is BNF and its variants such as EBNF.
A metasyntactic variable is a variable used in metasyntax.
Perform a new search, or try your search for "metasyntax" at:
dictionary.reference.com /browse/metasyntax   (50 words)

  
  Metasyntax - Wikipedia, the free encyclopedia
A metasyntax is a syntax used to describe the syntax of languages, usually in the context of computer programming languages.
Although many different metasyntaxes are possible, Backus-Naur form (BNF) and Extended Backus-Naur form (EBNF), which express syntax as a set of derivation rules, are almost universally used.
The variables in these metasyntaxes are properly known as metasyntactic variables, although the term is used informally in other ways.
en.wikipedia.org /wiki/Metasyntax   (93 words)

  
 What is a Grammar?   (Site not responding. Last check: 2007-11-06)
The metasyntactic values are the machine states, the syntax is the initial content of the tape, and the semantics is the halting content of the tape.
In the completed computation, metasyntax occurs at the extreme left-hand side, as before; but now syntax is at the left and semantics at the right.
The straightforward generalization of this observation would be that if metasyntax and semantics are on the left and syntax on the right, it's a grammar; whereas if metasyntax and syntax on on the left and semantics on the right, it's an automaton.
www.cs.wpi.edu /~jshutt/adapt/grammar.html   (303 words)

  
 metasyntax - OneLook Dictionary Search   (Site not responding. Last check: 2007-11-06)
We found 3 dictionaries with English definitions that include the word metasyntax:
Tip: Click on the first link on a line below to go directly to a page where "metasyntax" is defined.
metasyntax : FOLDOP - Free On Line Dictionary Of Philosophy [home, info]
www.onelook.com /cgi-bin/cgiwrap/bware/dofind.cgi?word=metasyntax   (89 words)

  
 1997/freebsd-config/19970126.freebsd-config
Jan 27 Michael Smith Kernel config metasyntax 13.
Jan 27 HOSOKAWA Tatsumi Re: Kernel config metasyntax 19.
Jan 28 Bakul Shah Re: Kernel config metasyntax 23.
docs.freebsd.org /mail/archive/1997/freebsd-config/19970126.freebsd-config.html   (236 words)

  
 Synopsis 5: Regexes and Rules - perl6:
Note, however, that not all non-identifier glyphs are currently meaningful as metasyntax in Perl 6 regexes (e.g.
It is more accurate to say that all unescaped non-identifier glyphs are potential metasyntax, and reserved for future use.
If you use such a sequence, a helpful compile-time error is issued indicating that you either need to quote the sequence or define a new operator to recognize it.
dev.perl.org /perl6/doc/design/syn/S05.html   (12475 words)

  
 EMail Msg <9007281049.AA03621@ash.cs.rochester.edu>
(I'll refer to the latter as "analytic definitions", for reasons to be explained.) The metasyntax for substitutional definitions is not to be confused with Mike's syntax of "metalevel knowledge", based on quotation.
The latter, insofar as it is aimed at expressing notions like necessity and belief, is part of the interlingua proper - the language used to describe the domain of discourse (which by fiat includes the entities describable using quotation, viz., expressions).
One thing that's immediately clear, if we want to match the flexibility of the logicians' definitions, is that in general we need to be able to specify not just substitutions for individual defined symbols, but for PATTERNS OF USE of defined symbols (like the use of "<=>" flanked by formulas).
www-ksl.stanford.edu /email-archives/interlingua.messages/21.html   (2967 words)

  
 [No title]   (Site not responding. Last check: 2007-11-06)
With this flag, `[^' bracket expressions and `.' never match newline, `^' matches an empty string after any newline in addition to its normal function, and `$' matches an empty string before any newline in addition to its normal function.
This flag is equivalent to speci- fying both -linestop and -lineanchor, or the (?n) embedded option (see METASYNTAX, below).
This is the same as specifying the (?p) embedded option (see METASYNTAX, below).
www.cs.tu-berlin.de /usr/Tcl_Tk/current/lib/tclX8.3/help/tcl/strings/regexp   (635 words)

  
 regexp   (Site not responding. Last check: 2007-11-06)
Instead of storing the matching characters from string, each variable will contain a list of two decimal strings giving the indices in string of the first and last characters in the matching range of characters.
This flag is equivalent to specifying both -linestop and -lineanchor, or the (?n) embedded option (see METASYNTAX, below).
Causes upper-case characters in string to be treated as lower case during the matching process.
www.xs4all.nl /~qip/tcl_V83_part/tcl83/regexp.htm   (683 words)

  
 Learn more about Metasyntax in the online encyclopedia.   (Site not responding. Last check: 2007-11-06)
Learn more about Metasyntax in the online encyclopedia.
Enter a phrase or search word in the box below.
Hint: Play with putting spaces before and after your words to see the different results you get.
www.onlineencyclopedia.org /m/me/metasyntax.html   (157 words)

  
 [No title]
This is the same as specifying the \fB(?x)\fR embedded option (see METASYNTAX, below).
This flag is equivalent to specifying both \fB\-linestop\fR and \fB\-lineanchor\fR, or the \fB(?n)\fR embedded option (see METASYNTAX, below).
This is the same as specifying the \fB(?p)\fR embedded option (see METASYNTAX, below).
www.cs.ucla.edu /classes/winter02/cs216/l1/nssat/build/ns-allinone-2.1b8a/tcl8.3.2/doc/regexp.n   (806 words)

  
 dev/real - programers resource   (Site not responding. Last check: 2007-11-06)
Backus Normal Form was renamed Backus-Naur Form at the suggestion of {Donald Knuth}.
BNF is one of the most commonly used metasyntactic notations for specifying the {syntax} of programming languages, command sets, and the like.
It is widely used for language descriptions but seldom documented anywhere (how do you document a {metasyntax}?), so that it must usually be learned by osmosis (but see {RFC 2234}).
www.devreal.net /words/b/Backus-Naur_Form.html   (267 words)

  
 Pricenetwork.ca - Canadian Price Comparison
Username: metasyntax [ private message ] [ email ] [ leave a feedback ]
Hope to deal with you again in the future.
Got some plants for Metasyntax when he was redo-ing his tank.
www.pricenetwork.ca /feedback.php?opt=all&id=4332   (97 words)

  
 metasy from FOLDOC
Strictly, a variable used in metasyntax, but often used for any name used in examples and understood to stand for whatever thing is under discussion, or any random member of a class of things under discussion.
To avoid confusion, hackers never (well, hardly ever) use "foo" or other words like it as permanent names for anything.
See also Commonwealth Hackish for discussion of numerous metasyntactic variables found in Great Britain and the Commonwealth.
wombat.doc.ic.ac.uk /foldoc/foldoc.cgi?query=metasy   (329 words)

  
 FeBe Protocol
To be able to discuss the syntax and semantics of the FeBe Protocol, we need a metasyntax.
Descriptions of commands refer to arguments using these labels.
A delimiter sent by the frontend when the backend expects a command is ignored by the backend.
www.udanax.com /green/febe/protocol.html   (1172 words)

  
 MetaSyntax   (Site not responding. Last check: 2007-11-06)
Hello, and welcome to MetaSyntax, the official website of Taylor Venable.
But please note that this is not the actual page.
Because my ISP blocks the requisite web serving ports, please follow this link to visit my actual webpage: http://real.metasyntax.net:2357 -- You may want to bookmark the target of this link for convenience.
www.metasyntax.net   (53 words)

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