3 iframe = element iframe { iframe.attlist, Flow.model }
6 attribute longdesc { URI.datatype }?,
7 attribute src { URI.datatype }?,
8 attribute frameborder { "1" | "0" }?,
9 attribute width { Length.datatype }?,
10 attribute height { Length.datatype }?,
11 attribute marginwidth { Pixels.datatype }?,
12 attribute marginheight { Pixels.datatype }?,
13 attribute scrolling { "yes" | "no" | "auto" }?
14 Inline.class |= iframe