mapcar and mapc

[Perry Wagle <wagle%indiana.csnet@csnet-relay.arpa>]

  In response to Will Clinger's acceptance of the "mapc" -> "for-each"
renaming:

  How about renaming "mapc" to "mapcar!" (and thence to "map!")?

  This would change the meaning of the bang notation from "Hi! I'm a
side-effecting function" to "Hi! I'm expecting either myself or one of the
functions that I call to be a side-effecting function".

  This way, the two very simular functions "map" and "map!" keep simular
names, making life easier on the frail memory of the user.

						Perry Wagle