OTML, a human readable and easy typing data serialization file format.This is a compact version of its emitter/parser extracted from OTClientin just one header with no dependencies.This is an example of a OTML file taken from OTClient:TopPanel  id: topMenu  anchors.top: parent.top  anchors.left: parent.left  anchors.right: parent.right  focusable: false  TopButton    id: settingsButton    anchors.top: parent.top    anchors.left: parent.left    margin.top: 4    margin.left: 6    tooltip: Options    onClick: Options.create()    UIWidget      size: 16 16      image: /core_styles/icons/settings.png      anchors.centerIn: parent      phantom: true  TopButton    anchors.top: prev.top    anchors.left: prev.right    margin.left: 6    tooltip: Enter game with a character    onClick: |      if Game.isOnline() then        CharacterList.show()      else        EnterGame.show()      end    UIWidget      size: 16 16      image: /core_styles/icons/login.png      anchors.centerIn: parent      phantom: true