Commands
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int open_display(int width; int height; int scrollback; string title)
void close_display(int handle)
void hide_display(int handle)
void raise_display(int handle)
void read_display_colours(int handle; var int foreground; var int background;
                          var int bold)
void set_display_colours(int handle; int foreground; int background; int bold)
void set_display_character(int handle; int x; int y; int character)
void set_display_character_colour(int handle; int x; int y; int colour)
void text_to_display(int handle; int line; string text; string break)
void display_set_line(int handle; int line; string text)


Entry Points
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int click (int display; int pane; int icon; int x; int y; int buttons)

