EDIT - source-solutions/HELP GitHub Wiki

EDIT {line_number|.}

Displays the specified program line with the cursor positioned for editing. line_number must be a line that exists in the program, or a period (.) to indicate the last line stored.

• No line_number is specified: Undefined line number.
• More characters are written after the line number: Illegal function call.
• line_number is not in [0 to 65529] Illegal function call.
• The specified line number does not exist: Undefined line number.