Function: pcomplete-help

Display any help information relative to the current argument.

(fn)

Variable: pcomplete-help

A string or function (or nil) used for context-sensitive help.
If a string, it should name an Info node that will be jumped to.
If non-nil, it must a sexp that will be evaluated, and whose
result will be shown in the minibuffer.
If nil, the function `pcomplete-man-function' will be called with the
current command argument.