"J.W. Bizzaro" wrote: > > (3) if writing to .n all the time is any better or quicker > than writing to .def's all the time. Isn't it true that, with .n, a single link change will require the entire .n file (with "tons" of nodes) to rewritten while, with .def, only one small file will have to be rewritten? Jeff -- J.W. Bizzaro jeff at bioinformatics.org Director, Bioinformatics.org: The Open Lab http://bioinformatics.org/~jeff "Let the machine do the dirty work." -- Kernighan and Ritchie --