Acquia Slate not-front block headers: help with a desired change?

Hi, all!

I've been working with Acquia Slate for a little while now (I just finished mildly hacking it for a friend's website at http://www.siphiwe.com) and am looking to do so again for a site of my own (the site at YoungWizards.com is due for an updating and upgrade).

One change I'd like to implement involves the block headers. I've just installed the Signwriter module on my pre-production installation, and it works perfectly well with the node headers in Slate. But it breaks when it hits the block headers, as described here. As a result, I'd like to get rid of the whole business that splits the h2 tag so that Signwriter can't parse it correctly.

At first I thought perhaps I could manage this simply by manipulating the CSS, but on closer examination I see that the PHP in Slate's block.tpl.php file is involved, and since I'm a complete PHP novice, I have no idea what to do about it. (I experimented a little by commenting out the apparently involved lines in the file in several different ways, but the blocks continued failing as above, suggesting that I was either screwing something up, or the solution lies somewhere else.)

If anyone can suggest how I might get the block headers to behave like the node headers, I'd be grateful. :)

Thanks!

Best -- Diane