Wow - every single time I think I've caught and fixed what causes this, another incident crops up (there was one just a few days ago). The problem really isn't anything to worry about. It's just that an apostrophe appears in a character string in the database instead of the ASCII code for an apostrophe: ' - in this case
:'(
instead of
:'(
To say that the database doesn't not like actual apostrophes would be an understatement. Though why the system indicates it's a hacking attempt, I have no idea. But the good news is that it's fixed. And hopefully this is the last time I'll have to fix something like it. And thanks, Gerard, for pointing it out because otherwise I would have completely missed it because I had no plans to check out the Robs board before the slideshow would update in about another hour...