[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>