2584871e_4_1_0_Help____Code_Style__HTML__Item
[Description] This display field shows a list of tags inside which you want the editor to preserve white spaces as is, without any changes. Use the button next to the field or press Shift+Enter to open the Keep Whitespaces Inside dialog box, where you can edit the list of tags. [Item] 
Keep white spaces inside
IntelliJ IDEA 14.1.0 Help :: Code Style. HTML