This is the revision history for /r in <freenode.net:#perlbot>

factoid_idsubjectcopulapredicateauthornamespace
10963 /r is /r appeared in 5.14 -- it runs the substitution on a copy of the string and instead of returning the number of substitutions, it returns the modified string pink_mist <*:##NULL>
10962 /r is /r appeared in 5.14 -- it runs the substitution on a copy of the string and instead of returning the number of substitution, it returns the modified string pink_mist <*:##NULL>
10961 /r is /r appeard in 5.14 pink_mist <*:##NULL>