NORMDIST, NORMINV default parameters

Hi,

In the latest draft I made the default parameters of NORMDIST and
NORMINV non-default, because none of the applications support them being
default. 

Objections?

  Eike

-- 
Automatic string conversions considered dangerous. They are the GOTO statements
of spreadsheets.  --Robert Weir on the OpenDocument formula subcommittee's list.