This vector will be filled with the help text of each of the
function's arguments as it will appear in the Excel Formula Wizard
and in Excel 2007 pop-up help.
If a help text contains resource IDs, they will be localized.

wnames

This vector will be filled with the help text of each of the
function's arguments as it will appear in the Excel Formula Wizard
and in Excel 2007 pop-up help.
If a help text contains resource IDs, they will be localized.