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Keyboard Reference

Keyboard Shortcuts

Key Combination Behaviour
HOME Go to start of line
END Go to end of line
PG DN Scroll down a page
PG UP Scroll up a page
SHIFT-Enter Begin new line, like enter, but do not autoindent
CTRL-Enter Execute the entire line as a command
F1-F12 Go to mark created using Left Button + function key
ESC If there are selections present, create a cursor at the beginning of each line the selection intersects. Otherwise, if there are multiple cursors present, reduce the cursors to one. Finally, if there is only one cursor present, select the recently typed text
CTRL-A Select all text
CTRL-C Copy
CTRL-D Delimit selections with cursors
CTRL-E Scroll up a line
CTRL-F Complete filename
CTRL-G Get
CTRL-K Delete from the current cursor position to the end of the line
CTRL-L Surround each selection with Lozenge (◊) characters
CTRL-N Complete word or substitute next completion
CTRL-P Complete word or substitute previous completion
CTRL-R Redo
CTRL-S Put
CTRL-T Execute the selected text
CTRL-U Delete each line containing a cursor
CTRL-V Paste
CTRL-Z Undo
CTRL-X Cut
CTRL-Y Scroll down a line
CTRL-Right Move one space-separated word right
CTRL-Left Move one space-separated word left
CTRL-Home Go to start of file
CTRL-End Go to end of file
Up Arrow, Down Arrow Move all cursors up or down one line respectively
Left Arrow If cursors are present, move each cursor left one character. If selections are present, change the selections to cursors at the beginning of each selection.
Right Arrow If cursors are present, move each cursor right one character. If selections are present, change the selections to cursors at the end of each selection.

For east-of-use on MacOS, some of the above shortcuts may be executed with the Command key in addition to control:

Key Combination Behaviour
Command-A Select all text
Command-C Copy
Command-R Redo
Command-S Put
Command-V Paste
Command-X Cut
Command-Z Undo

Special Behaviours

Auto Indent. When the Enter key is pressed and a new line is created, it is automatically indented. The same amount of whitespace at the beginning of the line in which Enter was pressed is prefixed to the new line as well. Use Shift-Enter to prevent this behaviour.

Auto Bracket Matching. If there are an even number of cursors present and you type some form of opening bracket (one of '(', '<', '{', or '[') then every second cursor will instead type the matching closing bracket. If you immediately undo, it will convert the second brackets back to the originally typed bracket, in case the behaviour was not desired.