I'll post this as a new thread as there have been several during the day - hopefully, this will tie them up :-)
I emailed the compiler & he has replied - (extracted from full email)
"...I should have stuck to Rikki Fulton or Rikki-Tikki-Tavi.
Fortunately, as you point out, the K is cross-checked with WOKING so it shouldn't be too hard for people to work around. I'll pass this on to the necessary folk at the Mail On Sunday though just to be on the safe side..."
I hope this is ok & puts minds to rest regarding this query :-)