Two typos in and a suggestion for the XML Proposal
kvale at phy.ucsf.EDU
Tue Dec 16 21:56:41 GMT 1997
In updating my parser to the XML Proposal of 8 December, I find that
there seems to be two typos in the EBNF production rules:
1) The encoding declaration
 EncodingDecl ::= S 'encoding' Eq '"' EncName '"' | "'" EncName "'"
should have parentheses around the quoted names:
[81'] EncodingDecl ::= S 'encoding' Eq ('"'EncName '"' | "'" EncName "'")
2) The version info production
 VersionInfo ::= S 'version'
Eq ('"VersionNum"' | "'VersionNum'")
Here VersionNum is a nonterminal, not a literal string, and I think
what was meant was
[25'] VersionInfo ::= S 'version' Eq
('"' VersionNum '"' | "'" VersionNum "'")
I also have one suggestion for improvement of the proposal. The notation
type production is
 NotationType ::= 'NOTATION' S '(' S? Name
(S? '|' Name)* S? ')'
It allows for space before the the alternation '|' but not after. It
would be more symmetric to have
[58'] NotationType ::= 'NOTATION' S '(' S? Name
(S? '|' S? Name)* S? ')'
as in the enumeration production. Comments?
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