[whatwg] Proposal: @srctype or @type on <iframe>

Nils Dagsson Moskopp nils-dagsson-moskopp at dieweltistgarnichtso.net
Mon Jul 12 23:48:46 PDT 2010

"Gordon P. Hemsley" <gphemsley at gmail.com> schrieb am Tue, 13 Jul 2010
02:31:19 -0400:

> It should not be assumed that whatever resource included via <iframe>
> is going to be of type 'text/html' or another easily parsable type.
> Thus, it could be helpful for the author to give the user agent a
> hint as to what type of document it is requesting be displayed
> inline, and allow the user agent to choose not to display the
> contents of the <iframe> if it feels it cannot support it.

Have you thought of using HTTP Content-Type headers and classic MIME
type handling to determine compatibility ?

> […]
> Now, I'm not a spec implementor by any means, but I am a web author
> and a web user, so I've been on both sides of this issue. And it
> doesn't appear that it would be too complicated to extend the
> existing support of @type.

AFAIK, implementors could use HTTP Content-Type headers for the given

> Thoughts?

Why do you hate HTTP Content-Type headers ? ;)

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