ST3 Custom View

[{
    "id": "view",
    "children": [{
        "id": "layout",
        "children": [{
             "command": "set_layout",
             "caption" : "Custom: 3 Pane",
             "mnemonic": "C",
             "args": {
                "cols": [0.0, 0.5, 1.0],
                "rows": [0.0, 0.7, 1.0],
                "cells": [
                    [0, 0, 1, 1],
                    [1, 0, 2, 1],
                    [0, 1, 2, 2]
                ]
            }
        }]
    }]
}]