Jean-Marc Valin wrote: > > No. You're confusing two things here: in C we's say "function call" vs "function > implementation". The <Node> tag refers to a function call (a node > instantiation), while the <Network> or <Document> can be viewed as a function > implementation (node definition) from other nodes. You can't say the <Node> tag refers to BOTH function calls AND implementations, to make it more recursive? Jeff -- +----------------------------------+ | J.W. Bizzaro | | | | http://bioinformatics.org/~jeff/ | | | | BIOINFORMATICS.ORG | | The Open Lab | | | | http://bioinformatics.org/ | +----------------------------------+