Yes. It is possible that the original submitted title included this. I have submitted similarly formatted titles before and had the leading colon-delimited co

Yes. It is possible that the original submitted title included this. I have submitted similarly formatted titles before and had the leading colon-delimited content automatically removed. However, if the submitter will edit the submission quickly enough (within 2 hrs I think), then an edited title with the correction will be accepted. At least that has been my experience in the past.