I was trying to find posts which contain the string [tag:r or the string [tag:r].
I wanted to see whether there was a discussions about a tag for R (programming language) on this meta site. (And simply searching for r does not seem to be the optimal strategy.)
But the queries I used for these return many false positive.
Still, I am doing something wrong with the closing brackets.
I would expect to be the results for [[]tag:calculus and [[]tag:calculus[]] to be very similar (or maybe even the same) - but the second query returns no results.
