Messages

By (user no longer on site) OP over a year ago

Line through the subject heading of chat?

By *ed-monkeyCouple over a year ago

Hailsham

If you mean through the subject heading of messages you've sent, it means the recipient has deleted the message (it'll say deleted too).

Otherwise, not sure what you mean

By *ucka39Man over a year ago

Newcastle

I've noticed this as well couldn't figure it out but assumed that they had deleted the message