Document compact output option in README

README.md

@@ -180,8 +180,11 @@ Example customization:
 
 ### Display
 
-Using `display` config you can customize whether the pager should be use by
-default or not (default `false`).
+In the `display` section you can configure the output format.
+
+#### `use_pager`
+
+Specifies whether the pager should be used by default or not (default `false`).
 
     [display]
     use_pager = true
@@ -189,6 +192,14 @@ default or not (default `false`).
 When enabled, `less -R` is used as pager. To override the pager command used,
 set the `PAGER` environment variable.
 
+#### `compact`
+
+Set this to enforce more compact output, where empty lines are stripped out
+(default `false`).
+
+    [display]
+    compact = true
+
 
 ## Autocompletion