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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: anyURI mystery help
 > RFC3986 says: > > path = path-abempty (etc) > path-abempty = *( "/" segment ) > segment = *pchar > pchar = unreserved / pct-encoded / sub-delims / ":" / "@" > > So ":" is explicitly allowed inside a segment of the hierarchical path. Oh, sure and there are lots of schemes that use that. ":" is a reserved delimiter for generic URI parsing. (But that does not mean that particular scheme syntaxes must allow ":"...it is scheme-specific.) " A path segment that contains a colon character (e.g., "this:that") cannot be used as the first segment of a relative-path reference, as it would be mistaken for a scheme name. Such a segment must be preceded by a dot-segment (e.g., "./this:that") to make a relative- path reference." So no URI references like "c:/temp/xxx.txt". And *if* you have have use a | there, it is not unreasonable that the full file URI should also allow it. One good resource on this is P Hoffman's "The file URI Scheme" http://www.ietf.org/internet-drafts/draft-hoffman-file-uri-03.txt which was released at the same time as RFC3986. As it says, the issue of the exact syntax of the file: scheme is unresolved. I think all we can do is know the range of tricks. Whenever I teach an XML-related course, I always try to make the point "The thing you type in the address box of your browser is not a URL" and let them know about this kind problem with file:, because sooner or later they will probably have to face it. Cheers Rick Jelliffe 
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