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Re: [caplet] Am I paranoid enough?

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  • David-Sarah Hopwood
    ... [...] ... No, uFEFF is the BOM, and its byte-reflection uFFFE is a noncharacter, so already excluded from ValidChar. (Thought you d spotted something I d
    Message 1 of 7 , Feb 18 9:26 AM
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      Mike Samuel wrote:
      > 2009/2/17 David-Sarah Hopwood <david.hopwood@...>:
      >> Mike Samuel wrote:
      >>> 2009/2/16 David-Sarah Hopwood <david.hopwood@...>
      >>>> ValidChar :: one of
      [...]
      >>>> [\uFF00-\uFFEF]
      >>> Why include FFEF?
      >> It's unassigned, and there's no particular reason to exclude it.
      >> (\uFFF0-\uFFF8 are also unassigned, but that's an area reserved
      >> for "special" characters.)
      >
      > Isn't it the reflection of fffe, the byte-order-marker.

      No, \uFEFF is the BOM, and its byte-reflection \uFFFE is a noncharacter,
      so already excluded from ValidChar.

      (Thought you'd spotted something I'd missed for a second, there.)

      --
      David-Sarah Hopwood ⚥
    • Mike Samuel
      ... Ah, quite right.
      Message 2 of 7 , Feb 18 1:54 PM
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        2009/2/18 David-Sarah Hopwood <david.hopwood@...>:
        > Mike Samuel wrote:
        >> 2009/2/17 David-Sarah Hopwood <david.hopwood@...>:
        >>> Mike Samuel wrote:
        >>>> 2009/2/16 David-Sarah Hopwood <david.hopwood@...>
        >>>>> ValidChar :: one of
        > [...]
        >>>>> [\uFF00-\uFFEF]
        >>>> Why include FFEF?
        >>> It's unassigned, and there's no particular reason to exclude it.
        >>> (\uFFF0-\uFFF8 are also unassigned, but that's an area reserved
        >>> for "special" characters.)
        >>
        >> Isn't it the reflection of fffe, the byte-order-marker.
        >
        > No, \uFEFF is the BOM, and its byte-reflection \uFFFE is a noncharacter,
        > so already excluded from ValidChar.

        Ah, quite right.

        > (Thought you'd spotted something I'd missed for a second, there.)
        >
        > --
        > David-Sarah Hopwood ⚥
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