<<Disclaimer: Verify this information before applying it to your situation.>>
For the person who inquired the other day, I found the following information
in a cookbook:
Self-Rising Flour
1 cup flour
1 1/2 tsp baking powder
pinch salt
I don't know if this will work for gluten-free flour, but it's worth a try.
* Visit the Celiac Web Page at www.enabling.org/ia/celiac/index.html *