[Prev][Next][Index][Thread]

Re: XML catalog draft




>[69]  ExternalID := 'PUBLIC' S PublicID ( S SystemID )? |
>                   'SYSTEM' (S SystemID)?
>[70]  SystemLiteral := '"' [^"]* '"' | "'" [^']* "'"
>[70a] PublicID   := RestrictedLiteral
>[70b] SystemID   := SystemLiteral
>[70c] RestrictedLiteral := 
>	'"' RestrictedLiteralChars '"' | "'" RestrictedLiteralChars "'"
>[70d] RestrictedLiteralChars := (Letter | Digit | S | SpecialChars)*
>[70e] SpecialChars := ['()+,-./:=?]
>[71]  [[unchanged]]

Why is # not included in SpecialChars? (It might be nice to use the URL
fragment identifier as part of a public ID in some cases, even though this
might lead to incompatiblities with SGML name rules, which were done before
URLs became popular.) 

----
Martin Bryan, The SGML Centre, Churchdown, Glos. GL3 2PU, UK 
Phone/Fax: +44 1452 714029   WWW home page: http://www.u-net.com/~sgml/