PI, XMLDecl, and EncodingPI
tbray at textuality.com
Thu Dec 4 01:44:07 GMT 1997
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.
xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev at ic.ac.uk
Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/
To (un)subscribe, mailto:majordomo at ic.ac.uk the following message;
To subscribe to the digests, mailto:majordomo at ic.ac.uk the following message;
List coordinator, Henry Rzepa (mailto:rzepa at ic.ac.uk)
More information about the Xml-dev