attachable function for determining “near misses”
This is a system function that determine whether a failed match of a monitored rule constitutes a near miss.
Note:This function is attachable (see defattach).
General Form: (brr-near-missp msgp lemma target rcnst criteria-alist)
where msgp is
The function determines whether the pattern of the lemma
“almost” matches the target, i.e., whether a “near
miss” has occurred. The function is only called if the exact match
failed. The built-in version of this function checks the criteria described
in monitor. If a near miss has occurred, the result is either