read_slide_layout.RdRead the layout for a given slide
read_slide_layout(pptx, index, error_call = current_env())A Powerpoint wrapped in a <pptx_container> object. see load_pptx()
slide index
The execution environment of a currently
running function, e.g. caller_env(). The function will be
mentioned in error messages as the source of the error. See the
call argument of abort() for more information.
The slide layout, as read by xml2::read_xml