[1] [CITE@en-us[Folding Elements: -oxy-foldable, -oxy-not-foldable-child and -oxy-folded properties]]
( ([TIME[2013-08-04 01:23:14 +09:00]] 版))
<http://www.oxygenxml.com/doc/ug-editor/topics/dg-folding-elements.html>