How to make a list like 1.1, 1.2 with Google Docs?

Question

I tried everything and this just doesn't seem to be possible anymore?

It can do

1.1 Text
2.1 Text 

but not

1.1 Text
1.2 Text

Answer 1

• enter numbered list

  

• select [Edit prefix and suffix...]

  

• type in the prefix 1.

  

• done

  

Answer 2

1. Add numbered list.

2. Enter list items and select them.

3. Press increase indent.

4. Done.

Answer 3

Format - Bullets & Numbering - List Options - Edit Prefix and suffix