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    <p>For those of you playing along at home, here's the answer we discovered.</p> <p>"public.utf8-plain-text" has historically been the correct UTI to use when putting an NSString containing unformatted text into the pasteboard. The built-in controls all request and use this version of the pasteboard contents during their "paste" operations (for iOS versions prior to 5). If you put only "public.plain-text" or "public.text" text in the pasteboard, the built-in controls ignore it completely, saying the pasteboard is empty (not giving you the "paste" option).</p> <p>In iOS 5, something changed and when the built-in controls request plain text in the situation above, they will get the "public.html" text.</p> <p>For iOS 5 you must use "public.text" instead of "public.plain-text" or "public.utf8-plain-text" even though the latter two are arguably more correct and the former is too vague to be of use at all.</p> <p>Since earlier iOS versions ignore "public.text", our solution is to put all three versions on the pasteboard: "public.text" and "public.utf8-plain-text" will both get you the plain text and "public.html" will get you the HTML text. This seems to satisfy both iOS 4 and 5 without having to put an explicit iOS version test in the code, at the cost of one more entry in the dictionary.</p> <p>One more fail for the kids at Apple.</p> <p><strong>EDIT for 2016 and iOS 8/9</strong></p> <p>I've been trying to solve this problem once and for all ever since I posted this question. Whenever I do a Google search, I always end up back at this question.</p> <p>Somewhere along the line, iOS introduced a "web archive" concept for putting HTML on the pasteboard. It's not documented well anywhere. I found an answer <a href="https://mcmurrym.wordpress.com/2010/08/13/pasting-simplehtml-into-the-mail-app-ios/" rel="nofollow">here</a> which pre-dates my question, so that's a little frustrating, but it works. I've updated it to take advantage of built-in base64 encoding in later versions of iOS. It goes something like this:</p> <pre><code>NSMutableDictionary * contents = [NSMutableDictionary dictionaryWithCapacity:6]; NSString * htmlText = @"&lt;h1&gt;A Heading&lt;/h1&gt;&lt;p&gt;A paragraph.&lt;/p&gt;" //... put other formats in the dictionary, then... NSData * data = [htmlText dataUsingEncoding:NSUTF8StringEncoding]; NSString * base64encodedString = [data base64EncodedStringWithOptions:0]; NSString * webArchiveString = [NSString stringWithFormat: @"&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;" "&lt;!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\"&gt;" "&lt;plist version=\"1.0\"&gt;" "&lt;dict&gt;" "&lt;key&gt;WebMainResource&lt;/key&gt;" "&lt;dict&gt;" "&lt;key&gt;WebResourceData&lt;/key&gt;" "&lt;data&gt;%@&lt;/data&gt;" "&lt;key&gt;WebResourceFrameName&lt;/key&gt;" "&lt;string&gt;&lt;/string&gt;" "&lt;key&gt;WebResourceMIMEType&lt;/key&gt;" "&lt;string&gt;text/html&lt;/string&gt;" "&lt;key&gt;WebResourceTextEncodingName&lt;/key&gt;" "&lt;string&gt;UTF-8&lt;/string&gt;" "&lt;key&gt;WebResourceURL&lt;/key&gt;" "&lt;string&gt;about:blank&lt;/string&gt;" "&lt;/dict&gt;" "&lt;/dict&gt;" "&lt;/plist&gt;", base64encodedString]; [contents setObject:webArchiveString forKey:@"Apple Web Archive pasteboard type"]; UIPasteboard * pasteboard = [UIPasteboard generalPasteboard]; pasteboard.items = [NSArray arrayWithObject:contents]; </code></pre>
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    1. COThanks for the info. Hope you've logged this as a bug at Apple.
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    2. CODone. 10329669.
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    3. COAnd +1 for logging the bug. Many thanks !
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