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[SML] Preliminary EBNF for SML

  • From: "Don Park" <donpark@d...>
  • To: <xml-dev@i...>
  • Date: Fri, 26 Nov 1999 00:12:41 -0800

[SML] Preliminary EBNF for SML
This message is for those interested in SML.  I would like
to suggest that we use the [SML] prefix to identify our
messages for filtering purpose.

Below is a preliminary version of EBNF for SML.  I would
appreciate your comments on it.  Notable changes are:

1. Limited name characters
2. Removal of 'gt' and 'apos'
3. Removal of ' as attribute value delimiter

#1 and #2 should be fairly controversial so I wanted to
get your feedback.  I do realize that, removal of 'gt' and
'apos' do not have any real benefits others except that
they are unnecessary.

data ::= (element | CharData | CharCode)*
element ::= StartTag data EndTag | EmptyTag
StartTag ::= ?<? Name (S Attribute)* S? ?>?
EndTag ::= ?</? Name S? ?>?
EmptyTag ::= ?<? Name (S Attribute)* S? ?/>?
Attribute ::= Name S? ?=? S? ??? ([^<&?] | CharCode)* ???
Name ::= NameStart (NameChar)*
NameStart ::= [a-zA-Z] | ?_? | ?:?
NameChar ::= NameStart | [0-9] | ?.? | ?-?
CharData ::= [^<&]*
CharCode ::= ?&? (?#? [0-9]+ | ?lt? | ?amp? | ?quot?) ?;?
S ::= (#32 | #9 | #13 | #10)+

Best,

Don Park    -   mailto:donpark@d...
Docuverse   -   http://www.docuverse.com


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