<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 26. aug.2011, at 03:19, Edmund Jay wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="font-family: tahoma, 'new york', times, serif; font-size: 13px; ">John offered the following options:<br>a) new scope for requesting picture sizes<br>b) RP makes explicit claim request<br>c) Expand schema to include "small", "medium", and "large"<br></span></span></blockquote></div><br><div>BTW, here is how gravatar is doing this:</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> <a href="http://en.gravatar.com/site/implement/images/#size">http://en.gravatar.com/site/implement/images/#size</a></span></div><div><br></div><div>(I'm not saying that I neccessary like it, I just include it as an example).</div><div><br></div><div>A related topic, is content type negotiation. Would it be an idea to suggest to use 'Accept' header as the reccomended way of negotiating which image format that is presented?</div><div><br></div><div><div> Accept: image/gif;q=0.5, image/jpeg;q=0.8, image/png;q=0.9, image/svg+xml;q=1.0</div><div><br></div><div>I would propose that if we say anything about accept parameters and/or size parameters, it would just be reccomendations to providers that would like to offer multiple formats and sizes; and not a requirement.</div><div><br></div><div>Andreas</div><div><br></div></div></body></html>