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Subject: Re: DOCBOOK: Re: Urgent: user experience with 4.2CR1?
On Mon, Apr 29, 2002 at 01:47:45PM -0400, Norman Walsh wrote: > / Michael Smith <smith@xml-doc.org> was heard to say: > | The only problem I've run into is in using the DTD with Earl Hood's > | perlSGML. If I try to run the perlSGML 'dtdview' command on it, I get: > | > | $ dtdview docbookx.dtd > | Reading catalog(s) ... > | Reading docbookx.dtd ... > | Syntax error in subset. > | Unexpected character: "E", ascii code=69. > | Reason: > | Invalid character found outside of a markup statment > | > | What it's complaining about is the line starting with "ERROR" in: > | > | <![%sgml.features;[ > | <![%xml.features;[ > | ERROR: Exactly one of xml.features and sgml.features must be turned on! > | ]]> > | ]]> > > Hmmm. That's interesting. His tool is obviously ignoring marked > section boundries, but because we have a single driver for SGML and > XML, I've set things up so that it is explicitly an error to have both > xml.features and sgml.features turned on simultaneously. > > I don't know if we should fix this or not. > > Pro: tools that ignore MS boundries wouldn't get confused. > Con: turning both sets of features on might result in unpredictable behavior You could disable the DTD and still use valid syntax by putting this inside the marked section: <![%sgml.features;[ <![%xml.features;[ <!-- ERROR: Exactly one of xml.features and sgml.features must be turned on! --> <!ENTITY % dbpool.module "IGNORE"> <!ENTITY % dbhier.module "IGNORE"> ]]> ]]> They won't get very far without those two modules. 8^) -- Bob Stayton 400 Encinal Street Publications Architect Santa Cruz, CA 95060 Technical Publications voice: (831) 427-7796 Caldera International, Inc. fax: (831) 429-1887 email: bobs@caldera.com
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