[1] [CITE[CSS Print Profile]]
( ([TIME[2013-03-14 20:50:03 +09:00]] 版))
<http://www.w3.org/TR/2013/NOTE-css-print-20130314/#section-properties>

[2] [CITE[CSS Print Profile]]
( ([TIME[2004-02-26 05:17:25 +09:00]] 版))
<http://www.w3.org/TR/2004/CR-css-print-20040225/#section-properties>

[3] [CITE[CSS Print Profile]]
( ([TIME[2004-02-26 05:17:25 +09:00]] 版))
<http://www.w3.org/TR/2004/CR-css-print-20040225/#section-properties>

[4] [CITE[Bug 19688 – Add autodetection of image orientation from EXIF information]]
( ([TIME[2013-03-27 02:42:04 +09:00]] 版))
<https://bugs.webkit.org/show_bug.cgi?id=19688>

[5] [CITE@en[298619 – (exif) should consider using exif orientation flag when displaying JPEG images]]
( ([TIME[2013-03-27 02:44:38 +09:00]] 版))
<https://bugzilla.mozilla.org/show_bug.cgi?id=298619>

[6] [CITE@en[CSS Image Values and Replaced Content Module Level 4]]
( ([TIME[2013-03-26 23:59:09 +09:00]] 版))
<http://dev.w3.org/csswg/css4-images/#the-image-orientation>

[7] [CITE[IRC logs: freenode / #whatwg / 20140519]]
( ([TIME[2014-05-22 17:23:00 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20140519#l-194>

[8] [CITE@en[Re: '''['''css-color''']''' Feedback on the image-orientation CSS property]]
([[fantasai]]著, [TIME[2018-07-02 14:32:16 +09:00]])
<https://lists.w3.org/Archives/Public/www-style/2018Jul/0000.html>

[9] 
[CODE[image-orientation]]
の既定値変更で壊れた例 [SEE[ [[EXIF]] ]]