Redraw() action

Description
Re-draws the the screen image on the terminal.

Used when some other output has corrupted the display.

In x3270, this action is valid only in a keymap.

Examples
Redraw

Default keymap
(In the table below, l is the  key.) {| class="wikitable" ! Mode !! x3270 !! c3270 !! wc3270 how to read keymap tables
 * 3270 || Alt-l || Ctrl-a + l || Alt-l
 * NVT || Alt-l || Ctrl-a + l Ctrl-l || Alt-l Crtl-l
 * NVT || Alt-l || Ctrl-a + l Ctrl-l || Alt-l Crtl-l
 * NVT || Alt-l || Ctrl-a + l Ctrl-l || Alt-l Crtl-l