Inventory formatting for a single slime mold object would be strange
if the user entered a plural word or phrase for fruit name. Forcing the
user-specified value to be singular as it's being set up as current fruit
avoids that. [Something like <Someone>'s "bunch of grapes" is unaffected;
it's already singular and correctly handled as such by makesingular().]
This may have a side-effect of limiting the creativity of some players
who try to trick others via bones files gimickery, but I think the extra
consistency in object naming during ordinary play is worth it.
According to the cvs log info, this issue was actually mentioned in
a patch I made ("fix M203...") in October, 2005. I have no recollection
of that at all....