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On Tue, 12 Jul 2005, Matthew Flatt wrote: >At Mon, 11 Jul 2005 19:18:19 -0700 (PDT), bear wrote: >> I think that the inlined hexadecimal notation requires a terminator. > >We'd much prefer to not invent yet another syntax for strings. There is >a high bar for doing something other than established conventions. The problem comes about with strings just like one that folk have been using as an example in this very discussion: Consider "\x61bc" for a moment: Is that a 3-character string consisting of u+61 u+62 u+63 (latin small letters a, b, c) or is that a single character string consisting of u+61BC (a CJK ideograph)? Because the hexadecimal digits are also legitimate unescaped string characters, the point at which hex notation terminates is ambiguous, unless there is an explicit terminator. This is why I'm strongly suggesting using the colon as a terminator; the one string would be written "\x61:bc" and the other as "\x61bc:" Bear