Editor commands: ---------------- NOTE: After editing a source screen ensure that changes are made permanent by entering the update command (ctrl-K before moving to another screen or exiting the editor. 1. Cursor movement Ctrl-E Move cursor up Ctrl-X    Move cursor down Ctrl-D    Move cursor right Ctrl-S    Move cursor left Ctrl-I    Move cursor 4 places to the right (HTAB) Ctrl-Q    Move cursor to the upper left of the screen 2. Editing Ctrl-G    Delete the character to the right of the cursor Ctrl-H    Delete the character to the left of the cursor Ctrl-T    Erase all characters to the right of the cursor Ctrl-O    Insert a space at the current cursor position Ctrl-Y    Delete the current line. Lines below the cursor are moved up one position. Pop a line from the circular buffer into the bottom line Ctrl-N    Insert a blank line. Lines below the cursor are moved down one position. Push the bottom line to the circular buffer Ctrl-W    Split the current line at the cursor position Ctrl-F    Join the next line at the cursor position Ctrl-A    Copy the contents of the current line to the one-line buffer Ctrl-P    Copy the contents of the one-line buffer to the current line Ctrl-K    Update all changes made to the screen 3. Miscellaneous Ctrl-C    Move to the next screen Ctrl-R    Move to the previous screen Ctrl-J    Jump to another screen Ctrl-Z    Clear the screen or circular buffer Ctrl-B    Redraw the screen Ctrl-L    Reload the current file block Ctrl-V    Toggle between insert or overwrite mode Ctrl-U    Exit the editor