understanding trees

hi all,

these are probably faqs, but i *have to* understand this...

0. what is the difference between 'child' and 'descendant'? is it right to
presume that a child-node is the first node that stems from some parent
node while 'descendants' denote all the nodes that stem from some parent?

1. what is the content of an element node? the spec says that 'The *value*
of an element node is the string that results from concatenating all
characters that are descendants of the element node in the order in which
they occur in the document.' so, if 'The children of an element node are
the element nodes, comment nodes, processing instruction nodes and text
nodes for its content.' what is meant by 'content' then? is there a
hierarchical or coordinating relationship between them or are they merely
associated nodes?

2. am i right in assuming that 'attribute nodes' and 'namespace nodes' are
just associated with element nodes but don't have any *relationship* with
them?


this must sound *dumb as hell*, but i have to give a presentation on xsl
and would like to get (at least) these basic things straight...

a.


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