name
is a legitimate tag
to use as a direct sub-element of the
within
tag
according to the definition of the
within
element in the specified DTD.
dtdValidElement(name, within, dtd, pos=NULL)
within
tag.
name
.
name
and
within
are defined.
name
element inside
within
. If this is specified, we have a stricter
test that accounds for sequences in which elements must appear in order.
These are comma-separated entries in the element definition.
name
element
can be used inside a
within
element.
FALSE indicates that it cannot.
Duncan Temple Lang
http://www.w3.org/XML, http://www.jclark.com/xml, http://www.omegahat.org
dtdFile <- system.file("exampleData", "foo.dtd", package="XML") foo.dtd <- parseDTD(dtdFile) # The following are true. dtdValidElement("variable","variables", dtd = foo.dtd) dtdValidElement("record","dataset", dtd = foo.dtd) # This is false. dtdValidElement("variable","dataset", dtd = foo.dtd)