No, because you're not adding a blank tile, you're *replacing* a letter tile with a blank tile.
Update:Alas, I think I've got it wrong, too. It looks like TedPride has it right...
In reply to Re^3: Scrabble word arrangements with blank tiles
by spiritway
in thread Scrabble word arrangements with blank tiles
by Anonymous Monk
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |