"plain" element for HTML/XHTML
Clark C. Evans
clark.evans at manhattanproject.com
Wed Jan 5 23:12:13 GMT 2000
Dear XHTML Working Group,
I would like to propose a new element, "plain", which
has no attributes, and forbids any content other than
zero or more characters. The "plain" element would be
another alternation in the BNF text production.
Thus, the following mixed-content HTML:
Would be "display equivalent" to:
1. This would allow the data structures for an HTML
processor/editor to avoid "text node type" and
its related mixed-content issues.
2. The <plain> tag is both forward and backwards
I've been involved with numerous discussions over the
last month on the sml-dev list over the complications
that are created using mixed-content. Specifically,
how text nodes are difficult to manage programmatically
through DOM. I've also experienced a good deal of pain
with regard to this problem myself.
On the sml-dev list, we've come up with an information
model that avoids mixed-content issues by allowing a
node to either have one or more characters, or zero or
more child nodes, but not both. We would like to
be able use HTML from our SML model.
Also, since I am currently able to use the <plain>
tag on the bulk of browsers today, this is a workable
solution that has been implemented and tested.
It would be great to have the tag name reserved as
part of the HTML standard.
Thank you for your time and consideration,
Clark C. Evans
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