Major Section: SWITCHES-PARAMETERS-AND-MODES
Please see set-inhibit-warnings, which is the same as
set-inhibit-warnings! except that the latter is not
local to the
encapsulate or the book in which it occurs. Probably
set-inhibit-warnings is to be preferred unless you have a good reason
for wanting to export the effect of this event outside the enclosing
encapsulate or book.