diff options
| author | Francesco Potortì <[email protected]> | 2002-06-13 10:57:55 +0000 |
|---|---|---|
| committer | Francesco Potortì <[email protected]> | 2002-06-13 10:57:55 +0000 |
| commit | 292c80bc089922b3061feff17f29cde8388a35e3 (patch) | |
| tree | 3736a7024488b66a6e1672d815b1d35acccb670f /etc/ETAGS.EBNF | |
| parent | 24dbe96a108cfb899cf1f54ea4b42aceb159776f (diff) | |
Comments added.
Diffstat (limited to 'etc/ETAGS.EBNF')
| -rw-r--r-- | etc/ETAGS.EBNF | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/etc/ETAGS.EBNF b/etc/ETAGS.EBNF index a2b835af74..e548a11cbd 100644 --- a/etc/ETAGS.EBNF +++ b/etc/ETAGS.EBNF @@ -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` <[email protected]> 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 |