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Subject: Re: [xri] Version enclosures
Drummond Reed wrote: >Backing up to the start of this thread, I too like Peter's suggestion >that a different set of encapsulation characters could be great for >setting apart version syntax. However bringing up square brackets >immediately makes me think of RFC 2732 >(http://www.ietf.org/rfc/rfc2732.txt). > >It is notable because it explicitly updates RFC 2396 to move square >brackets from the "unwise" character set to the "reserved" character set >and states that RFC 2732 "defines a syntax for IPv6 addresses and allows >the use of "[" and "]" within a URI explicitly for this reserved >purpose", > > > I personally am not wedded to "[" and "]", it was mearly visually distinct from "(". "{" is too close visually to "(". I had neglected to consider it reserved for ipv6 :-(, which leaves us with more "non-traditional" bracing from the "unwise" collection: unwise = "{" | "}" | "|" | "\" | "^" | "[" | "]" | "`" leaving "^" and "|" as the two likely candidates. Pipe, i think, should remain unwise ;-) --- peterd
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