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Re: Ambiguities in section 4.3.2 of XML 1.0 SE

• To: xml-dev@l...
• Subject: Re: Ambiguities in section 4.3.2 of XML 1.0 SE
• From: Richard Tobin <richard@c...>
• Date: Tue, 12 Aug 2003 17:47:34 +0100 (BST)
• Cc:
• In-reply-to: <ADA1E0AB9452BB48B063228627805EC9330453@R...>
• Organization: HCRC, University of Edinburgh

>The fact that it requires a 2-character lookahead, and that ']' is way
>the other end of the lower 128 characters from all the other special
>characters makes it a royal pain.  (By that I mean 'switch' statements
>tend to be compiled to much less efficient code, just because you added
>a case for that specific character.  I actually tried it with 2
>different compilers and the perf of the switch statement was completely
>foobared in both compilers, just by adding case ']'...)

Given that you're expending 50-100 instructions per input character,
and in many documents barely half the characters are text, I wouldn't
lose to much sleep over it.

-- Richard

• References:
  • RE: Ambiguities in section 4.3.2 of XML 1.0 SE
    • From: "Derek Denny-Brown" <derekdb@m...>

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