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- From: Tim Bray <firstname.lastname@example.org>
- To: email@example.com
- Date: Wed, 03 Dec 1997 17:45:40 -0800
At 06:11 PM 03/12/97 -0700, Chris Hubick wrote:
> Within a PI is the Name "xml" reserved? If it is, should
>there not be a [wfc] on PI stating so?
In fact, in the latest rev, we wired it right into the grammar.
> By the current definition any XMLDecl and EncodingPI is also
>a valid PI. In a prolog an XMLDecl is optional, and is followed
>by Misc, which includes PI.
> Ok, so I have can have an XML file with no XMLDecl
>(it's optional) followed by "<?xml version="blah" encoding=5?>" which
>matches PI, in my Misc*. And this is legal?
Nope. And the grammar will getcha, because this no longer matches PI.
>Shouldn't  PI have an S? at the end before '?>' ?
No, because Char includes S
> PCData ::= [^<&]+
>rather than the current:
> PCData ::= [^<&]*
>In my recursive descent parses to:
It can't be +, because the empty string must match PCData. You'll just
have to figure out how to stop descending.
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