Function Keys

F1

Toggle newline mode. If entering newline mode then append after current line. If leaving and current line is null then delete it.

Ctrl–F1

Append line delete buffer after current line.

F2

Toggle newline mode. If entering newline mode then insert before current line. If leaving and current line is null then delete it.

Ctrl–F2

Insert line delete buffer after current line.

F3

Delete current line and save in line delete buffer.

F4

Fill tagged lines or until the next blank line if no tags are set. If option justify is on, then justify the filled text.

Ctrl–F4

Center tagged lines or current line if no tags are set. If option justify is on, then justify the filled text.

F5

Split current line at cursor. If character at cursor is a space then delete it.

Ctrl–F5

Split current line at cursor. Character at cursor always saved.

F6

Join line at cursor with next line. If cursor line does not end in a space, append one before the join.

Ctrl–F6

Join line at cursor with next line.

F7

Tag/untag line for tag operation. If F7 is entered twice in rapid succession then a limited block tag is set.

Ctrl–F7

Remove all tags or reset last tags. Its a toggle.

F8

Request tag operation.

Ctrl–F8

Same as F8, however the move or kopy is performed before the current line. Not valid for limited block tags.

F9

Re-execute last typed command.

F10

Re-display last typed command.