- What happens if an undefined ACL variable is referenced depends on the
- setting of the strict_acl_vars option. If it is false (the default), an
- empty string is substituted; if it is true, an error is generated. This
- affects all ACL variables, including the "old" ones such as acl_c4.
- (Previously there wasn't the concept of an undefined ACL variable.)
+ What happens if a syntactically valid but undefined ACL variable is
+ referenced depends on the setting of the strict_acl_vars option. If it is
+ false (the default), an empty string is substituted; if it is true, an error
+ is generated. This affects all ACL variables, including the "old" ones such
+ as acl_c4. (Previously there wasn't the concept of an undefined ACL
+ variable.)