overflow-presentationAttribute: overflow
In mslegrand/svgR: svgR is an R DSL to generate svg markup

Governs the behaviour of an element when it overflows its viewport.

''''auto'''': Signals to the user agent to provide scrolling for overflowing boxes
''''hidden'''': Specifies to clip or hide overflow (default for inner svgs, pattern and markers)
''''inherit'''': Specifies to inherit the overflow property from the parent.
''''scroll'''': Specifies to clip over flow but to provide scrollbar for scrolling.
''''visible'''': Specifies to show overflow (default for outer most svg, i.e. svgR)