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		<id>https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=172.69.68.155</id>
		<title>explain xkcd - User contributions [en]</title>
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		<updated>2026-05-25T19:43:27Z</updated>
		<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:2216:_Percent_Milkfat&amp;diff=181383</id>
		<title>Talk:2216: Percent Milkfat</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:2216:_Percent_Milkfat&amp;diff=181383"/>
				<updated>2019-10-17T14:21:46Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.68.155: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--&amp;gt;&lt;br /&gt;
I've always called 2% milk &amp;quot;98% water&amp;quot;.   &lt;br /&gt;
Also, these comics have been arriving ''really'' late this week; I hope Randall is doing alright.   &lt;br /&gt;
[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 00:19, 17 October 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
Is the fact that the comic arrived later in the day responsible for the bottom of the page brokenly saying this is a &amp;quot;Thursday&amp;quot; comic? That doesn't seem editable in the normal wiki manner.&lt;br /&gt;
: I don't know the cause, or if they are related, but I was able to manually fix all that--even adding the appropriate categories that got left off. [[User:Trlkly|Trlkly]] ([[User talk:Trlkly|talk]]) 04:17, 17 October 2019 (UTC)&lt;br /&gt;
::Randall was presenting his new book at a speech he gave in Berlin on the 15th of October. However being in Europe would make his comics more early, unless he has made an error with the cript doing the upload (mmoving time zone in the wrong direction) or he is uploading very early morning the next day. Alternatively he is just jet-lagged and his schedule is messed up. [https://www.fu-berlin.de/presse/informationen/fup/2019/fup_19_281-randall-munroe-tu/index.html See the German Press release of the university he is visiting.] He also advertised it on the header of the page, if the OS/Browser is set to German language. [[Talk:xkcd Header text|I wanted to put this on the wiki, but got no replies for it and hadn't had the time to do it on my own.]] --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 06:26, 17 October 2019 (UTC)&lt;br /&gt;
:::Lupo, can you post an image of how it looks in the German version if there is a current version with different header? Also will it be possible that this is saved in a web archive? I would like to add it to the explanation, but without any kind of visual to show that it is indeed the case, it would be a bit thin as part of an explanation. I think it is an interesting information, but this page is about a US comic, so it should only be for the informational value, not something that needed to be fully included in the [[xkcd Header text|header text explanation]]. --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 06:47, 17 October 2019 (UTC)&lt;br /&gt;
::::The announcement of his speech in Berlin has been replaced by a image of the German bookcover and the simple text (which is a link to the publishers shop), roughly translated as &amp;quot;In stores now&amp;quot;. I am currently at work, but will look into getting a screenshot in the evening. Apperantly some IP-User has found a way to view the different localized versions at the talk page of the header, as I just noticed. --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 07:08, 17 October 2019 (UTC)&lt;br /&gt;
:::: There is also an anouncement of this, and of a tour across the UK last week at [https://xkcd.com/how-to/ xkcd.com/how-to] --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 07:11, 17 October 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
2% milk is called half-full in the Netherlands. As a child I once asked my mother why anybody would want to buy a milk carton that was only half full :-).&lt;br /&gt;
&lt;br /&gt;
The amount of milkfat in milk varies by the breed of cattle that produced it, along with individual variation.  Holsteins are most often used for milk production because they can produce the greatest volume of milk, but other breeds, such as Jersey, produce less milk, but with higher milk fat, often up to 6% milkfat. [[User:Nutster|Nutster]] ([[User talk:Nutster|talk]]) 11:14, 17 October 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
I am not entirely comfortable referring to dark energy as matter. [[Special:Contributions/172.68.189.19|172.68.189.19]] 12:40, 17 October 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
I think we may need to start a list of things that are made up of dark matter: 1. Squirrels, 2. Milk [[Special:Contributions/172.69.68.155|172.69.68.155]] 14:21, 17 October 2019 (UTC) Sam&lt;/div&gt;</summary>
		<author><name>172.69.68.155</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=859:_(&amp;diff=174536</id>
		<title>859: (</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=859:_(&amp;diff=174536"/>
				<updated>2019-05-25T19:48:02Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.68.155: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 859&lt;br /&gt;
| date      = February 11, 2011&lt;br /&gt;
| title     = (&lt;br /&gt;
| image     = (.png&lt;br /&gt;
| titletext = Brains aside, I wonder how many poorly-written xkcd.com-parsing scripts will break on this title (or ;;&amp;quot;'&amp;lt;nowiki/&amp;gt;'{&amp;lt;&amp;lt;[' this mouseover text.&amp;quot;&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
== Explanation ==&lt;br /&gt;
&lt;br /&gt;
In programming, punctuation is often used to mark sections of code. Paired punctuation marks must always be matched up with a corresponding closing mark, otherwise a so-called {{w|syntax error}} occurs. The programming language {{w|Lisp_(programming_language)|Lisp}} (also featured in [[224: Lisp]]) is known for large numbers of nested/paired parentheses. Even in literary works intended only for human consumption, the absence of a matching closing parenthesis) as appears in this sentence or other &amp;quot;balanced&amp;quot; punctuation sets creates a mental expectation of eventual closure and completion that remains unfulfilled even long after the unmatched mark is encountered. [http://tvtropes.org/pmwiki/pmwiki.php/Main/SelfDemonstratingArticle See what I mean?]&lt;br /&gt;
&lt;br /&gt;
There is also reference to [[312: With Apologies to Robert Frost]] which could contain the missing parentheses.&lt;br /&gt;
&lt;br /&gt;
It can also be interpreted as a {{w|metaphor}}, which compares the reader with a Lisp {{w|Interpreter (Computing)|interpreter}}. The interpreter looks for the parenthesis until the end of the file, where it eventually halts, and prints out the error. The comic claims that if you read an unmatched parenthesis, you will look for it for the rest of the day too.&lt;br /&gt;
&lt;br /&gt;
It also refers to this awkward feeling when you see something (like an unmatched parentheses, speling error or a randomly-placed, comma.&lt;br /&gt;
&lt;br /&gt;
Finally, in some countries (Russia in particular) they use just parentheses instead of text smileys so that :) turns into ) and :( becomes (. Hence Russians can magically resist the unresolved tension of the comic but may feel a bit sad instead as a side effect. &lt;br /&gt;
&lt;br /&gt;
The title text refers to the same issue as already highlighted in [[327: Exploits of a Mom]]: if your scripts trust external input, you sometimes will be surprised. At the time of this comic, there were quite a few websites that would grab the  xkcd comic three times a week and publish them on their own site. This comic likely broke at least some of the websites because of either the unmatched brace or the extra unmatched markup that is in the title text.&lt;br /&gt;
&lt;br /&gt;
)&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[An oblong frame with text.]&lt;br /&gt;
:(An unmatched left parenthesis creates an unresolved tension that will stay with you all day.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Programming]]&lt;/div&gt;</summary>
		<author><name>172.69.68.155</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:2141:_UI_vs_UX&amp;diff=173169</id>
		<title>Talk:2141: UI vs UX</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:2141:_UI_vs_UX&amp;diff=173169"/>
				<updated>2019-04-25T17:00:46Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.68.155: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--&amp;gt;&lt;br /&gt;
&lt;br /&gt;
The comic as a whole is making fun of how meta software developers get about the user experience, seeking to name all the different types of interactions a user can have with an app or webpage. &lt;br /&gt;
This comic is massive for me on my desktop (chrome); I wonder if this is a joke about bad UX or if it is a genuine error? [[User:Fwacer|Fwacer]] ([[User talk:Fwacer|talk]]) 18:50, 24 April 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
:It's not this big on xkcd.com. Did it start this big and got fixed on the original site? Update: replaced with the image from xkcd.com which was much smaller. [[User:Cgrimes85|Cgrimes85]] ([[User talk:Cgrimes85|talk]]) 18:55, 24 April 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
::Looks like it is fixed now, but yes it was also that big on xkcd.com initially. [[User:Fwacer|Fwacer]] ([[User talk:Fwacer|talk]]) 19:19, 24 April 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
To me, it comes across as a hyperbolic play on the common confusion between the meaning of UI and UX. [https://twitter.com/sdw/status/709853249407361024] [[User:Ahiijny|Ahiijny]] ([[User talk:Ahiijny|talk]]) 19:06, 24 April 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
It makes sense that it would be alpha and omega, but I originally thought it was the &amp;quot;proportional&amp;quot; symbol. I only ask because alpha is lowercase and omega is uppercase, although perhaps this was to avoid confusion with the Latin &amp;quot;A&amp;quot;. [[User:Cgrimes85|Cgrimes85]] ([[User talk:Cgrimes85|talk]]) 19:13, 24 April 2019 (UTC)&lt;br /&gt;
:Concerning the lowercase/uppercase difference, since alpha is the beginning and omega is the end, then consider that in the beginning we are born little and then grow up - we start out as lowercase and end up as uppercase. [[User:Ianrbibtitlht|Ianrbibtitlht]] ([[User talk:Ianrbibtitlht|talk]]) 19:30, 24 April 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
This is a joke on integration, yes?[[Special:Contributions/172.69.68.129|172.69.68.129]] 19:33, 24 April 2019 (UTC)&lt;br /&gt;
: &amp;quot;The arc of the moral universe is long, but it bends toward justice&amp;quot; -- I guess the big in the comic being about the arc of the moral universe can reference the fight against segregation and thus for integration...&lt;br /&gt;
:: I meant mathematical integration...&lt;br /&gt;
&lt;br /&gt;
I'm happy with the explanations I just added for everything but &amp;quot;Life's experience of time&amp;quot; -- does anyone know what that phrase is from? [[Special:Contributions/172.68.133.54|172.68.133.54]] 05:48, 25 April 2019 (UTC)&lt;br /&gt;
:I thought it was made by a U[unprintable glyph] designer. [[Special:Contributions/172.68.226.64|172.68.226.64]] 07:40, 25 April 2019 (UTC)&lt;/div&gt;</summary>
		<author><name>172.69.68.155</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2139:_Email_Settings&amp;diff=172903</id>
		<title>2139: Email Settings</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2139:_Email_Settings&amp;diff=172903"/>
				<updated>2019-04-19T22:45:20Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.68.155: its&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 2139&lt;br /&gt;
| date      = April 19, 2019&lt;br /&gt;
| title     = Email Settings&lt;br /&gt;
| image     = email_settings.png&lt;br /&gt;
| titletext = What are all these less-than signs? What's an HREF? Look, we know you live in a fancy futuristic tech world, but not all of us have upgraded to the latest from Sun Microsystems.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|Created by someone who can't use e-mail. Please mention here why this explanation isn't complete. Do NOT delete this tag too soon.}}&lt;br /&gt;
&lt;br /&gt;
The comic shows some email settings with a few less than helpful options.&lt;br /&gt;
&lt;br /&gt;
'''Default Reply Behavior:''' Normal reply behavior would be to reply to the person who sent the original email. Reply all would be to reply all emails at once (with the same reply text). Typically in email programs there is an option to Reply TO All other recipients of an email in addition to the sender. Depending on the email usage pattern this is a potentially useful or a potentially annoying option. Forward to address book takes this one step further by sending your reply to every person who is in your address book, whether they received the original email or not.&lt;br /&gt;
&lt;br /&gt;
'''Vacation Autoresponder:''' This is a message that is automatically sent out in reply to an email to let them know that you are away and won't be replying until you return. While on vacation is the usual behavior, but since email systems typically have no way of knowing that you're on vacation other than this setting itself, it won't be able to comply. Always is a less useful option.&lt;br /&gt;
&lt;br /&gt;
'''Reply to all newsletters with &amp;quot;thank you for the newsletter!&amp;quot;:''' This option is completely unnecessary, in that newsletters are usually automated and shotgunned out to thousand of addresses at once, often with a do-not-reply from address. &lt;br /&gt;
&lt;br /&gt;
'''Attachment limit:''' These attachment limits are all pretty small, with 300 kilobytes being fairly useless for anything, 1.4 megabytes being the size of an old floppy disk, and 5 megabytes, while better, is smaller than most high resolution cell phone camera pictures. It being in beta means that it might not be as dependable. However, setting the maximum attachment size would likely not be a user setting; it would be a setting the email system enforces on the user. In the past with slow connections and very limited mailbox sizes, this option was useful to keep the message size in check. In the present, Gmail still has the same 25MB attachment limit it had in 2004.&lt;br /&gt;
&lt;br /&gt;
'''Default email format:''' plain text is self explanatory; plain text with no special formatting options. HTML means that it can have markup to allow for bold text, colors, etc. CSS is in reference to cascading style sheets, which is a styling option often combined with HTML, but useless on its own. With emails it is typically used as inline CSS.&lt;br /&gt;
&lt;br /&gt;
'''Reply to HTML emails with &amp;quot;Whoa, buddy, what's all this code?&amp;quot;:''' HTML email is a format for sending email with rich-text contents, which may include images and links. If your email client isn't configured for HTML, the content may look like text interspersed with a bunch of weird code. Since HTML email is a common format, replying this way to every HTML email you receive can be an effective way to annoy people. This may be a &amp;quot;throwback&amp;quot; option: a few years ago, email systems didn't always recognize HTML emails, so if you sent an HTML email you might very well receive this kind of reply.&lt;br /&gt;
&lt;br /&gt;
'''Character set:''' ASCII is the character group containing all of the letters in the English alphabet, as well as the digits and common symbols. The Non-ASCII set contains all of the non-English alphabets and the rest of they (lesser used) symbols.  Lacking the ASCII characters however, would make the second option useless for most European languages.&lt;br /&gt;
&lt;br /&gt;
'''Smart autocomplete:''' Some email platforms, including Gmail, have the ability to use machine learning to suggest possible, usually short reply options for you to choose from. If the original email asks if you want to go to dinner, the auto-complete replies might be, &amp;quot;Yes&amp;quot;, &amp;quot;No&amp;quot;, &amp;quot;How about Friday?&amp;quot; and then you could choose one, or type your own reply. The third option to automatically respond to all emails with suggested reply is putting a lot of faith in the computer, and is likely to backfire quickly, even more so, if your recipients also have activated this option.&lt;br /&gt;
&lt;br /&gt;
'''Important emails:''' Showing important emails is the expected behavior, and hiding only them would be a very strange thing to want to do.&lt;br /&gt;
&lt;br /&gt;
'''Show unread email count...:''' Seeing your unread email count is normal behavior, and a good way to see what a failure you are at reading your email. A projected unread email count based on when the system expects you to die, and how well you do at reading your email on a day to day basis is probably going to be depressing or in the extreme could be so overwhelming to be the actual cause of death on the projected date.&lt;br /&gt;
&lt;br /&gt;
'''Signature:''' A signature is a bit of canned text that gets added to the end of an email, often containing your name, and sometimes a bit of other information like a title and other contact information. Having the choices being None and &amp;quot;That's my email. Hope you liked it!&amp;quot; is less useful. Less useful signatures somewhat came into vogue after Apple used it for cheap iPhone advertisement and others made fun of the Apple users who kept those default signatures, by using quite creative signatures themselves.&lt;br /&gt;
&lt;br /&gt;
The title text also references HTML email, in which angle brackets (i.e, less-than and greater-than symbols) are used to show the opening and closing tags of elements. &amp;quot;href&amp;quot; is a common attribute in HTML elements denoting the location a hyperlink will take you to upon being clicked. This is likely another &amp;quot;throwback&amp;quot; reference, Sun Microsystems being a former maker of Unix workstations popular in the late 1980s and 2000s (now part of Oracle Corporation). The message could also be written by someone receiving an HTML email which is not recognized as one and directly shown on the screen.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
{{incomplete transcript|Do NOT delete this tag too soon.}}&lt;br /&gt;
&lt;br /&gt;
:'''Email Settings'''&lt;br /&gt;
:[A list of controls with radio buttons and checkboxes]&lt;br /&gt;
:Default reply behavior&lt;br /&gt;
::( ) Reply&lt;br /&gt;
::( ) Reply All&lt;br /&gt;
::(*) Forward to address book&lt;br /&gt;
&lt;br /&gt;
:Vacation autoresponder&lt;br /&gt;
::(*) While on vacation&lt;br /&gt;
::( ) Always&lt;br /&gt;
&lt;br /&gt;
:☑ Reply to all newsletters with &amp;quot;Thank you for the newsletter!&amp;quot;&lt;br /&gt;
&lt;br /&gt;
:Attachment limit&lt;br /&gt;
::( ) 300 KB&lt;br /&gt;
::(*) 1.4 MB&lt;br /&gt;
::( ) 5 MB (Beta)&lt;br /&gt;
&lt;br /&gt;
:Default email format&lt;br /&gt;
::(*) Plain text&lt;br /&gt;
::( ) HTML&lt;br /&gt;
::( ) CSS&lt;br /&gt;
&lt;br /&gt;
:☑ Reply to HTML emails with &amp;quot;Whoa, buddy, what's all this code?&amp;quot;&lt;br /&gt;
&lt;br /&gt;
:Character set&lt;br /&gt;
::( ) ASCII (Unicode 0-127 only)&lt;br /&gt;
::(*) Non-ASCII (Unicode 128+ only)&lt;br /&gt;
&lt;br /&gt;
:Smart autocomplete&lt;br /&gt;
::( ) Do not suggest replies&lt;br /&gt;
::( ) Suggest replies&lt;br /&gt;
::(*) Automatically respond to all emails with suggested reply&lt;br /&gt;
&lt;br /&gt;
:Important emails&lt;br /&gt;
::(*) Show&lt;br /&gt;
::( ) Hide&lt;br /&gt;
&lt;br /&gt;
:Show unread email count...&lt;br /&gt;
::(*) Now&lt;br /&gt;
::( ) On my projected day of death&lt;br /&gt;
&lt;br /&gt;
:Signature&lt;br /&gt;
::(*) &amp;quot;That's my email. Hope you liked it!&amp;quot;&lt;br /&gt;
::( ) None&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics with color]]&lt;br /&gt;
[[Category:Email]]&lt;/div&gt;</summary>
		<author><name>172.69.68.155</name></author>	</entry>

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