DFN - defining occurrence (Not in HTML 2.0!)
indicate that a term (or phrase) appears in a context where it is
Obviously, the element should be presented with some kind of distinction
from normal text, such as italic or bold italic
(as the HTML 2.0 specification suggests).
Unfortunately many browsers,
including Netscape 4, do not effectively support it:
they present DFN as normal text.
general notes on rendering markup.
Text container, i.e.
any element that may contain text elements.
This includes most HTML elements. In particular,
text elements can be nested.
Notice that this disallows e.g. paragraph breaks.
<DFN>Ichthyology</DFN> is the branch of natural science which
Since current implementations do not effectively support DFN,
as explained above, it is probably best to present defining occurrences
using either EM or STRONG.
The HTML 2.0 specification does not include DFN but mentions it
as an element which "has been deployed to some extent".
general remarks on phrase elements.
of last update: