Lists pending dependencies (views) in namespace, i.e. dependencies not yet referenced, or not referenced after their referents have changed. Defaults to current namespace.

q)a::x+1          / a depends on x
q)\B              / the dependency is pending
,`a
q)x:10
q)\B              / still pending after x is defined
,`a
q)a               / use a
11
q)\B              / no longer pending
`symbol$()