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This commit is contained in:
Francesco Potortì 2002-06-13 10:57:55 +00:00
parent 24dbe96a10
commit 292c80bc08
1 changed files with 7 additions and 5 deletions
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etc/ETAGS.EBNF
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@ -1,11 +1,13 @@
EBNF (Extended Backus Normal Form) description of the format of the tags
file created by etags.c and interpreted by etags.el
Productions created from current behaviour to aid extensions
Francesco Potorti` <pot@gnu.org> 2002
================================================================
FF ::= #x0c /* form feed */
FF ::= #x0c /* tag section starter */
LF ::= #x0a /* line feed */
LF ::= #x0a /* line terminator */
DEL ::= #x7f /* pattern terminator */
@ -29,11 +31,11 @@ regularsec ::= filename "," [ unsint ] [ LF fileprop ] { LF tag }
filename ::= regchar regstring /* a file name */
fileprop ::= DEL "(" regstring ")"
fileprop ::= "(" regstring ")" /* an elisp alist */
tag ::= directtag | patterntag
directtag ::= DEL realposition
directtag ::= DEL realposition /* no pattern */
patterntag ::= pattern DEL [ tagname SOH ] position
@ -41,6 +43,6 @@ pattern ::= regstring /* a tag pattern */
tagname ::= regchar regstring /* a tag name */
position ::= realposition | ","
position ::= realposition | "," /* charpos,linepos */
realposition ::= "," unsint | unsint "," | unsint "," unsint