iD/data/shortcuts.json

{
    "dataShortcuts": [
        {
            "desc": "Changing the display",
            "shortcuts": [
                {
                    "keys": ["↓", "↑", "←", "→"],
                    "desc": "Pan map"
                },
                {
                    "keys": ["⇧↓", "⇧↑", "⇧←", "⇧→"],
                    "desc": "Pan map by one screenful"
                },
                {
                    "keys": ["+", "-"],
                    "desc": "Zoom in / Zoom out"
                },
                {
                    "keys": ["⌘+", "⌘-"],
                    "desc": "Zoom in / Zoom out by a lot"
                },
                {
                    "keys": ["B"],
                    "desc": "Display background layer switcher"
                },
                {
                    "keys": ["⌘B"],
                    "desc": "Switch between previous and current backgrounds"
                },
                {
                    "keys": ["W"],
                    "desc": "Toggle wireframe mode"
                },
                {
                    "keys": ["H"],
                    "desc": "Show in-editor help/documentation"
                },
                {
                    "keys": ["/"],
                    "desc": "Toggle minimap"
                },
                {
                    "keys": ["⌘I"],
                    "desc": "Toggle info/measurements box"
                },
                {
                    "keys": ["Spacebar"],
                    "desc": "Toggle radial menu for currently selected object"
                }
            ]
        },
        {
            "desc": "Editing mode",
            "shortcuts": [
                {
                    "keys": ["1"],
                    "desc": "Switch to 'add point' mode"
                },
                {
                    "keys": ["2"],
                    "desc": "Switch to 'add line' mode"
                },
                {
                    "keys": ["3"],
                    "desc": "Switch to 'add area' mode"
                },
                {
                    "keys": ["A"],
                    "desc": "Continue drawing a line at the selected node"
                },
                {
                    "keys": ["↵ Enter", "Esc"],
                    "desc": "Stop drawing of a line or area"
                }
            ]
        },
        {
            "desc": "Undoing or saving changes",
            "shortcuts": [
                {
                    "keys": ["⌘Z"],
                    "desc": "Undo last action"
                },
                {
                    "keys": ["⌘⇧Z"],
                    "desc": "Redo last action"
                },
                {
                    "keys": ["⌘S"],
                    "desc": "Save changes"
                }
            ]
        }
    ]
}