> If the 
> current proposal works now (and if it allows for a usage as simple as 
> target="d001" locus="@notBefore"), then by all means let's start rolling 
> it out.

target="#d001" path="@notBefore" locus="value"
 
you can also say

target="#d001" path="@notBefore" locus="name"

which was not possible before.

target="/TEI" path="//*/@notBefore" locus="value"

is the more general version.
-- 
Sebastian Rahtz    
Oxford University Computing Services