W3C home > Mailing lists > Public > w3c-sgml-wg@w3.org > October 1996

Re: B.5/B.6 Restrict PCDATA in content models?

From: Len Bullard <cbullard@HiWAAY.net>
Date: Mon, 14 Oct 1996 18:30:44 -0500
Message-ID: <3262CD24.3A07@HiWAAY.net>
To: Charles@SGMLsource.com
CC: Michael Sperberg-McQueen <U35395@UICVM.CC.UIC.EDU>, W3C SGML Working Group <w3c-sgml-wg@w3.org>
Charles F. Goldfarb wrote:
> 
> On Sat, 12 Oct 96 15:06:39 CDT, Michael Sperberg-McQueen
> <U35395@UICVM.CC.UIC.EDU> wrote:
> 
> >On 16 October 1996, the ERB will vote to decide the following question.
> >A straw poll indicates the question needs further discussion in the work
> >group.
> >
> >B.5 Should XML restrict the use of the PCDATA token in content models,
> >to simplify RE handling or eliminate the Mixed Content Problem?  (7.6.1,
> >11.2.4)
> >
> >  * B.5 restrict PCDATA to models of the form (#PCDATA)
> >  * B.6 restrict PCDATA to models of the form (#PCDATA | x ... | z)*
> 
> I strongly prefer B.5, but B.6 would be better than unrestricted use of #PCDATA.
> --
> Charles F. Goldfarb 

I concur on both points.  B.5 is the simple case and always easy to
understand.
B.6 is common practice but in nested cases, leads to messy instances
particularly 
in cut and paste operations.

len
Received on Monday, 14 October 1996 19:30:57 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 20:25:04 UTC