|  1 |    initial version    |  
Hearing nothing, I just used the first workaround, made 500 mistakes typing in formulas as predicted, fixed them, and I was done. However, the surprise was that it was less painful than I expected, so I'm going to sheepishly call this an answer to my own question.
But I'd still be curious to hear if there's a better way.
    |  2 |    No.2 Revision    |  
Hearing nothing, I just used the first workaround, made 500 mistakes typing in formulas as predicted, fixed them, and I was done.  However, the surprise was that it was less painful than I expected, so and it did have the advantage that I solved the problem with the tools I already knew, which I regard as virtuous in some sense.  
So I'm going to sheepishly call this an answer to my own question.
question. Probably there's a badge for that or something. But I'd still be curious to hear if there's a better way.
 
                
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