Meaning of any_char & char in Grammar

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Newsgroups gmane.comp.lang.ruby.documentation
Message-ID <[email protected]> 
Hi,

I am currently working on a parser and lexer for Ruby and I had a couple
questions.

On the grammar page:  http://www.ruby-doc.org/docs/Manual/man-1.4/yacc.html

Some things like GLOBAL are defined using the term any_char.  What exactly
is the meaning of this term?

Also, the rule

REGEXP	: `/' any_char* `/'[`i'|`o'|`p']
	| `%'`r' char any_char* char

uses 'char any_char* char'.  What is the meaning of char in this context?


Thanks!
Justin Sherrill
North Carolina State University
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