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The XML representation is the one generated by xml.el
in Emacs,
namely the following. Each tag is a list. The first element of the
list is a symbol, the name of which is the name of the tag. The
second element is an alist of attributes, where the keys are the
attribute names in symbol form, and the values are strings. The
remaining elements are the tags and data contained within the tag.
For example,
<foo bar='baz'> <frobozz/>Fnord </foo>is represented as
(foo ((bar . "baz")) (frobozz nil "") "Fnord ")
Note the empty string as the third element of the frobozz
list. It is not present in newer (post-21.3) versions of
xml.el
, but it's probably best to assume it might be there.