[whatwg] a rel=attachment

Ian Fette (イアンフェッティ) ifette at google.com
Thu Jul 14 13:13:33 PDT 2011

The download=filename seems like a nice proposal (assuming that the filename
is optional, and if not specified it just takes whatever the name would
otherwise be). It also neatly solves the filename issue without cluttering
the a tag with tons of options.

On Thu, Jul 14, 2011 at 12:36 PM, Glenn Maynard <glenn at zewt.org> wrote:

> 2011/7/14 Ian Fette (イアンフェッティ) <ifette at google.com>
> Many websites wish to offer a file for download, even though it could
>> potentially be viewed inline (take images, PDFs, or word documents as an
>> example). Traditionally the only way to achieve this is to set a
>> content-disposition header. *However, sometimes it is not possible for the
> This has been raised a couple times:
> http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2010-July/027455.html
> http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2011-April/031190.html(thread was derailed partway through)
> I've wanted this several times and I'm strongly in favor of it.
> After mulling this over with some application developers who are trying to
>> use this functionality, it seems like adding a "rel" attribute to the <a>
>> tag would be a straightforward, minimally invasive way to address this use
>> case. <a rel=attachment href=blah.pdf> would indicate that the browser
> This isn't enough; the filename needs to be overridable as well, as it is
> with Content-Disposition.  My recommendation has been:
> <a href=image.jpg download>
> <a href=f1d2d2f924e986ac86fdf7b36c94bcdf32beec15.jpg download=picture.jpg>
> where the first is equivalent to Content-Disposition: attachment, and the
> second is equivalent to Content-Disposition: attachment;
> filename=picture.jpg.
> --
> Glenn Maynard

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