Open mode: how to act on the selected hintable element

Index
BackgroundTab: "-b"
Default: ""
Highlight: "-h"
Images: "-i"
ImagesTab: "-I"
Kill: "-k"
KillTridactyl: "-K"
SaveAsImage: "-A"
SaveAsResource: "-a"
SaveImage: "-S"
SaveResource: "-s"
Scroll: "-z"
ScrollFocus: "-;"
Tab: "-t"
TTSRead: "-r"
Window: "-w"
WindowPrivate: "-wp"
YankAlt: "-P"
YankAnchor: "-#"
YankLink: "-y"
YankText: "-p"