set
builtin-function
(set sym value)
Assigns value to the global or dynamic variable named by the value of sym.
Does not work for lexical variables.
make-html > (undef 'a137)
make-html > (setq x 'a137)
it: a137
make-html > (set x 1)
Undefined variable: make-html::a137
make-html 1 > (def a137 2)
it: a137
make-html 1 > (set x 1)
it: 1
make-html 1 > a137
it: 1