Re: xml comment syntax

Thanks Jan

seems that W3C reference <http://www.w3.org/TR/REC-xml/#dt-comment> (I hope
this is the standard) is more explicit, and agrees with the Wikipedia entry.
Therefore I read the comment as correct... anyway, it's an irrelevant
quirk, thea2 unit tests offer much more funny things than this small
problem.

bye Carlo


2014-08-07 21:35 GMT+02:00 Jan Wielemaker <[email protected]>:

> On 08/07/2014 09:16 PM, Carlo Capelli wrote:
> > Well, really of little importance, but I can't determine if this is
> really
> > an error:
> >
> >   <!--- Replaced so that we have a unionOf construct
> >         Aug 20 02 MKS, suggestion by R. Volz.
> >
> >   <owl:Class rdf:ID="Fruit">
> >     <rdfs:subClassOf rdf:resource="#EdibleThing" />
> >   </owl:Class>
> >
> >   -->
> >
> > as reported while running thea2 unit tests:
> >
> > Warning: Unknown file-extension: . Assuming RDF/XML
> >
> > ERROR: SGML2PL(xmlns):
> > http://www.w3.org/TR/2003/PR-owl-guide-20031209/food:869: Illegal
> comment,
> > found "<!---"
> >
> > % Parsed "http://www.w3.org/TR/2003/PR-owl-guide-20031215/food" in 0.06
> > sec; 954 triples
> >
> >
> > wikipedia <http://en.wikipedia.org/wiki/XML#Comments> informal
> description
> > seems suggest that should be valid...
>
> The WikiPedia text is not very explicit.  The code is (parser.c in sgml
> package)
>
>     case S_CMT1:                        /* <!-- */
>     { if ( f[CF_CMT] == chr )           /* <!--- */
>       { if ( IS_XML_DIALECT(dtd->dialect) )
>           gripe(p, ERC_SYNTAX_ERROR, L"Illegal comment", L"<!---");
>       }
>       p->state = S_CMT;
>       return TRUE;
>     }
>
> It is long ago, but it seems I programmed this quite deliberately (I
> think it
> should be a warning; the parsing just accepts it as a comment).  So, I'll
> leave the search for whether or not this is allowed to you :-)  And I'll
> only accept references from the official XML standard or approved XML
> test cases.  There are plenty incorrect claims floating on the web ...
>
>         Cheers --- Jan
>
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