Re: CharData

Paul Prescod (papresco@technologist.com)
Tue, 16 Dec 1997 10:44:28 -0500


Chris Maden wrote:
> You are correct; ']]>' is forbidden in element content, as it should
> be. This is cruft from SGML; the msc/mdc combination (marked section
> close = ']]', markup declaration close = '>') is always recognized as
> a delimiter (see Figure 3, ISO 8879). As a result, XML mandates that
> this combination always be escaped using ']]>' unless it actually
> closes a marked section.

The reason for this is not just SGML compatibility, it is robustness. A
floating MDC is almost certainly an error in the document. If I
accidently end a CDATA marked section twice, I want to *know*.

Paul Prescod