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[John Cowan] > Thomas B. Passin scripsit: > > > In the case of a file: URI, the colon has a special meaning when it > > separates the scheme form the rest of the URI, but the rest of the URI does > > not need the colon to be reserved, so it does not need to be escaped. > > Not the issue here. The question is, are "%3A" and ":" interchangeable? > RFC 2396 says only the characters in the "unreserved" set are interchangeable > with their %xx counterparts. > I know my response was not completely to the question in the original post - I was branching off a bit to the status of ":". But then, any substabtive statement about file: URIs tends to get clouded soon after it is uttered. As to what the rfc says, it also contains this charming bit of language - " In general, a character is reserved if the semantics of the URI changes if the character is replaced with its escaped US-ASCII encoding." But, as the text says elsewhere, " only the mechanism responsible for generating or interpreting that component can determine whether or not escaping a character will change its semantics." so this bit does not give much practical guidance with respect to the notorious file: scheme. BTW, I could not find where the rfc actually says what you mentioned. What section is that, John? Cheers, Tom P
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