"*Automatically insert current region when there is a `r' in the template
If this variable is nil, `r' elements will be treated just like `p'
elements, unless the template function is given a prefix (or a non-nil
-argument). If this variable is non-nil, the behaviour is reversed.
+argument). If this variable is non-nil, the behavior is reversed.
In Transient Mark mode, this option is unused."
:type 'boolean