How to create a 1.1, 1.2 1.3 … HTML list?

Question

I want to create HTML nested lists that has the following format:

1  
   1.1  
   1.2  
   1.3  
   1.4   
2
   2.1

I tried a solution that I f

Answer 1

Works perfectly for me, in FF 3.6.6, so:

1. Which browser is it not working in?
2. What does your markup look like (i.e. are you nesting the lists correctly)?