Returns a dictionary of documentation for helping complete the
        dimensions of a variable.

def _bracket_dim_suggest(self, variable):
        """Returns a dictionary of documentation for helping complete the
        dimensions of a variable."""
        if variable is not None:
            #Look for <dimension> descriptors that are children of the variable
            #in its docstrings.
            dims = variable.doc_children("dimension", ["member", "parameter", "local"])
            descript = str(variable)
            if len(dims) > 0:
                descript += " | " + " ".join([DocElement.format_dimension(d) for d in dims])

            return dict(
                params=[variable.dimension],
                index=0,
                call_name=variable.name,
                description=descript,
            )        
        else:
            return []