@ChemCat Thanks for the compliments, but you're right - you have no reason to trust me. For the moment though, I'd much prefer not to link myself to any other alias. My reasons are nothing to do with reputation (bad or good). I hope you understand. Y'know though, at first when I read this: I thought you meant you'd written this bit: "unless you prove... etc" in another post somewhere, and wasted several minutes trying to find it before realizing that you'd simply edited the post to add this bit: "This I was wrong to say... etc". Silly me *Head... meet desk* It's been a long day. :-) V