name of a module, same as the one used in the lrequire method, that will be removed
from the cache, such that the next time the module is lrequire'd, it will be
read and executed.
character.only
a logical value, defaulted to FALSE, that permits an unquoted name to be lrequire-d.
Set this to TRUE when passing a variable to lrequire, requiring a quoted string.
Value
boolean value yielding success of removal from the cache