a function prototype. So we have to decare the function and then
declare it a friend. When Default arguments are used, they need to
be specified in the function prototype and NOT in the friend declaration.
# 43311
r=dbaron@fas.harvard.edu
git-svn-id: svn://10.0.0.236/trunk@111825 18797224-902f-48f8-a5cc-f745e15eee43