On Dec 12, 2012, at 11:42 PM, Haiwei Zhou wrote:

> In HTML the <img> tag has no end tag.

Not exactly true.  In XHTML (i.e. HTML >= 4.0, IIRC), it SHOULD have an end tag 
-- as should every other tag in XHTML.  You can do this either with
<img src="blah.blah"></img>
or, briefer, with
<img src="blah.blah"/>

However, most or all browsers accept Web pages with certain common tags 
unterminated: <img>, <p>, <br>, <li>, etc. and there's a reasonable argument 
that Racket's XML library should be capable of accepting them too.


Stephen Bloch
sbl...@adelphi.edu


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