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Re: [whatwg] definition not compatible with existing user-agent user interfaces</span></a></span> </h1> <p class="darkgray font13"> <span class="sender pipe"><a href="/search?l=whatwg@lists.whatwg.org&q=from:%22Boris+Zbarsky%22" rel="nofollow"><span itemprop="author" itemscope itemtype="http://schema.org/Person"><span itemprop="name">Boris Zbarsky</span></span></a></span> <span class="date"><a href="/search?l=whatwg@lists.whatwg.org&q=date:20130407" rel="nofollow">Sun, 07 Apr 2013 20:27:16 -0700</a></span> </p> </div> <div itemprop="articleBody" class="msgBody">  <pre style="margin: 0em;"> On 4/7/13 9:52 PM, Ian Hickson wrote: </pre><blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><pre style="margin: 0em;"> The way <iframe srcdoc> is defined, the document URI does not in any way encode the document contents. </pre></blockquote><pre style="margin: 0em;"></pre><pre> This is the same as HTTP URLs where the server returns different content each time </pre></blockquote><pre style="margin: 0em;"> </pre><tt>No, because browsers have these things called "caches" and are known to </tt><tt>use them. </tt><pre style="margin: 0em;"> </pre><blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><pre style="margin: 0em;"> URLs of Documents that have been document.write()n or otherwise modified dynamically </pre></blockquote><pre style="margin: 0em;"> Yes. </pre><blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><pre style="margin: 0em;"> URLs of Documents that have been generated by POST </pre></blockquote><pre style="margin: 0em;"> </pre><tt>No, see "caches" (though you do need more state than just a URI in this </tt><tt>case, admittedly).. </tt><pre style="margin: 0em;"> </pre><blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><pre style="margin: 0em;"> or that have no-cache headers after the network has been lost </pre></blockquote><pre style="margin: 0em;"> </pre><tt>See "caches"; Gecko allows the UI to do a forced load from cache, </tt><tt>ignoring such headers. </tt><pre style="margin: 0em;"> </pre><blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><pre style="margin: 0em;"> Nothing requires those features to be equivalent to window.open(location) </pre></blockquote><pre style="margin: 0em;"> </pre><tt>And yet in practice they are (not quite, but in the end similar). So </tt><tt>the question is whether we should make that work or whether we just </tt><tt>break it and expect all existing UAs and UA extensions to update. </tt><pre style="margin: 0em;"> </pre><blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><pre style="margin: 0em;"> This is obviously non-trivial </pre></blockquote><pre style="margin: 0em;"> </pre><tt>And hence won't happen for what some will argue is a niche feature in </tt><tt>the first place. </tt><pre style="margin: 0em;"> </pre><tt>Your argument seems to come down to "it's already slightly broken in </tt><tt>rare cases, so it doesn't matter if we break it completely in what we </tt><tt>hope will become the common case", honestly. Maybe you even believe </tt><tt>that this is a reasonable approach... </tt><pre style="margin: 0em;"> -Boris </pre> </div> <div class="msgButtons margintopdouble"> <ul class="overflow"> <li class="msgButtonItems"><a class="button buttonleft " accesskey="p" href="msg34185.html">Previous message</a></li> <li class="msgButtonItems textaligncenter"><a class="button" accesskey="c" href="index.html#34186">View by thread</a></li> <li class="msgButtonItems textaligncenter"><a class="button" accesskey="i" href="mail2.html#34186">View by date</a></li> <li class="msgButtonItems textalignright"><a class="button buttonright " accesskey="n" href="msg34187.html">Next message</a></li> </ul> </div> <a name="tslice"></a> <div class="tSliceList margintopdouble"> <ul class="icons monospace"> <li class="icons-email"><span class="subject"><a href="msg34170.html">[whatwg] <iframe srcdoc> definition not compatible...</a></span> <span class="sender italic">Boris Zbarsky</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34171.html">Re: [whatwg] <iframe srcdoc> definition not c...</a></span> <span class="sender italic">Tab Atkins Jr.</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34176.html">Re: [whatwg] <iframe srcdoc> definition n...</a></span> <span class="sender italic">Boris Zbarsky</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34178.html">Re: [whatwg] <iframe srcdoc> definiti...</a></span> <span class="sender italic">Robin Berjon</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34179.html">Re: [whatwg] <iframe srcdoc> defi...</a></span> <span class="sender italic">Boris Zbarsky</span></li> </ul></li> <li class="icons-email"><span class="subject"><a href="msg34181.html">Re: [whatwg] <iframe srcdoc> definiti...</a></span> <span class="sender italic">Robert O'Callahan</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34182.html">Re: [whatwg] <iframe srcdoc> defi...</a></span> <span class="sender italic">Boris Zbarsky</span></li> </ul></li> </ul></li> </ul></li> <li class="icons-email"><span class="subject"><a href="msg34185.html">Re: [whatwg] <iframe srcdoc> definition not c...</a></span> <span class="sender italic">Ian Hickson</span></li> <li><ul> <li class="icons-email tSliceCur"><span class="subject">Re: [whatwg] <iframe srcdoc> definition n...</span> <span class="sender italic">Boris Zbarsky</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34187.html">Re: [whatwg] <iframe srcdoc> definiti...</a></span> <span class="sender italic">Robert O'Callahan</span></li> <li class="icons-email"><span class="subject"><a href="msg34188.html">Re: [whatwg] <iframe srcdoc> definiti...</a></span> <span class="sender italic">Ian Hickson</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34191.html">Re: [whatwg] <iframe srcdoc> defi...</a></span> <span class="sender italic">Boris Zbarsky</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34193.html">Re: [whatwg] <iframe srcdoc>...</a></span> <span class="sender italic">Ian Hickson</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg34196.html">Re: [whatwg] <iframe srcdoc...</a></span> <span class="sender italic">Boris Zbarsky</span></li> </ul> </ul> </ul> </ul> </ul> </ul> </ul> </div> <div class="overflow msgActions margintopdouble"> <div class="msgReply" > <h2> Reply via email to </h2> <form method="POST" action="/mailto.php"> <input type="hidden" name="subject" value="Re: [whatwg] <iframe srcdoc> definition not compatible with existing user-agent user interfaces"> <input type="hidden" name="msgid" value="5162390B.4030600@mit.edu"> <input type="hidden" name="relpath" value="whatwg@lists.whatwg.org/msg34186.html"> <input type="submit" value=" Boris Zbarsky "> </form> </div> </div> </div> <div class="aside" role="complementary"> <div class="logo"> <a href="/"><img src="/logo.png" width=247 height=88 alt="The Mail Archive"></a> </div> <form class="overflow" action="/search" method="get"> <input type="hidden" name="l" value="whatwg@lists.whatwg.org"> <label class="hidden" for="q">Search the site</label> <input class="submittext" type="text" id="q" name="q" placeholder="Search whatwg"> <input class="submitbutton" name="submit" type="image" src="/submit.png" alt="Submit"> </form> <div class="nav margintop" id="nav" role="navigation"> <ul class="icons font16"> <li class="icons-home"><a href="/">The Mail Archive home</a></li> <li class="icons-list"><a href="/whatwg@lists.whatwg.org/">whatwg - 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