[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Mixed content not working for me
Russell East writes: > How come the following doesn't work? > <!ELEMENT a (#PCDATA|(a*)) > > > I basically want my element a to either form an hierarchy > *or* have some text data. > > But it seems I'm forced to have > <!ELEMENT a (#PCDATA|a)* > XML bans this type of mixed content because it has been causing trouble in full SGML for over a decade. The problem comes with something like this: <a> <a></a> </a> After an SGML parser reads the opening <a> tag, it doesn't know whether the element will contain #PCDATA or subelements. The first character it reads is a linefeed -- that's character data, so the parser assumes that it is reading #PCDATA; when the parser finds the <a> tag a few characters later it throws an error. You need to do two things: 1) submit a bug report to Microsoft; and 2) create a new subelement to hold the text: <!ELEMENT a (text|a)> <!ELEMENT text (#PCDATA)> Now you can have <a> <text>This is some text</text> <a> or <a> <a>This is a subelement</a> </a> All the best, David -- David Megginson ak117@f... Microstar Software Ltd. dmeggins@m... http://home.sprynet.com/sprynet/dmeggins/ xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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