List of insert commands

	To do this ...				Command
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	Insert text after the cursor		    a

	Insert text before the cursor		    i

	Append text at the end of		    A
	the current line

	Insert text at the start of		    I
	the current line

	Open a new line above the 		    o
	current line

	Open a new line below the		    O
	current line

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