RE: If XML is too hard for a programmer, perhaps he'd b e bett
[Jeff Lowery] >This thread sounds more like an argument for full-document validation prior >to processing, or at the very least making sure you've done document version >checking. Once that happens, regexing should be fine (assuming the >programmer understands the schema or specification the version info is based >on). Not so. A valid document can be, lexically speaking, from outer space. You *do* need to worry if regexp are being used, - even for valid documents. Example Pulse: <!DOCTYPE pulse [ <!ELEMENT pulse (#PCDATA)> <!ENTITY LetsHaveOneOfThese "2"> ]> <pulse > 7<!-- Ode to the lump of green putty, I found in my armpit, one mid-summer morning.--> <![CDATA[ 0]]> &LetsHaveOneOfThese; </pulse > What I'd love to see would be an XML Lint tool - a parser with the ability to produce messages on stderr if it sees stuff in the XML that could trip up regexp processing. Perl types could then knock themselves out with a beautifully crafted McCarthy conditional as a guard command to their regexp:-) regards, Sean http://seanmcgrath.blogspot.com
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