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unlockvars(a [,b,c...] [,silent:T]), a, b, c, arbitrary variables

Keywords: general, variables
unlockvars(var1, var2, ...) marks variables var1, var2, ... as being
unlocked variables so that they can be deleted or assigned to.  A
warning message may be printed if a variable is not locked.

unlockvars(var1, var2, ..., silent:T) does the same except warning
messages are not printed.  It is an error if any argument is an
expression or a function result.

See also lockvars(), delete(), 'variables:"locked_variables"'

Gary Oehlert 2003-01-15