/[emacs]/emacs/etc/ETAGS.EBNF
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revision 1.10 by pot, Tue Aug 27 16:19:15 2002 UTC revision 1.10.6.1 by miles, Wed Sep 15 08:59:53 2004 UTC
# Line 2  Line 2 
2    
3  This file contains two sections:  This file contains two sections:
4    
5  1) An EBNF (Extended Backus Normal Form) description of the format of  1) An EBNF (Extended Backus-Naur Form) description of the format of
6      the tags file created by etags.c and interpreted by etags.el;      the tags file created by etags.c and interpreted by etags.el;
7  2) A discussion of tag names and implicit tag names.  2) A discussion of tag names and implicit tag names.
8    
# Line 81  substring of the tag pattern.  We define Line 81  substring of the tag pattern.  We define
81  whether it is possible to deduce the tag name from the pattern, and make  whether it is possible to deduce the tag name from the pattern, and make
82  an unnamed tag in those cases.  The name deduced from the pattern of an  an unnamed tag in those cases.  The name deduced from the pattern of an
83  unnamed tag is the implicit name of that tag.  unnamed tag is the implicit name of that tag.
84    When the user looks for a tag, and Emacs founds no explicit tag names    When the user looks for a tag, and Emacs finds no explicit tag names
85  that match it, Emacs then looks for an tag whose implicit tag name  that match it, Emacs then looks for an tag whose implicit tag name
86  matches the request.  etags.c uses implicit tag names when possible, in  matches the request.  etags.c uses implicit tag names when possible, in
87  order to reduce the size of the tags file.  order to reduce the size of the tags file.

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