# Operation

It is the same as the operation method of a general editor. A caret moves by the left click of a mouse. Moreover, a character can be selected if a mouse is moved with a left click carried out. If a left button is double-clicked, it can selected per word.

A popup menu is expressed as a right click.

## Movement of a caret

A caret (bar which blinks by black and white) can be moved by the following key operation.

← | Move to left
→ | Move to right
Ctrl+← | Move to 1 word left
Ctrl+→ | Move to 1 word right
↑ | Move to 1 line up
↓ | Move to 1 line down
Ctrl+↑ | Scroll to 1 line up
Ctrl+↓ | Scroll to 1 line down
PageUp | Move to 1 page down
PageDown | Move to 1 page up
Ctrl+PageUp | Move to buttom of page
Ctrl+PageDown | Move to top of page
Home | Move to start of line
End | Move to end of line
Ctrl+Home | Move to start of file
Ctrl+End | Move to end of file

When ← is pushed at the start of line, it moves to the end of the line on one. When → is pushed at the end of line, it moves to the start of the line under one.

## Select

The range which moved when the caret was moved pushing the Shift key can be selected. The selected changes a color. Selection of a character will be canceled if pushing Esc key or a caret is moved without pushing the Shift key. Moreover, if a left button is double-clicked, it can selected per word.

The selection is deleted, when the character is selected and a character is inputted.

## Change of insertion/overwrite

The change of insertion/overwrite should push the Ins key. When a character is inputted, the character which is on the right of the present caret position at the insert mode moves to the right, and the inputted character is inserted in a caret position. The character of a caret position is deleted at the overwrite mode. When the character is selected and a character is inputted, the selection is deleted regardless of the mode. Any characters other than the selection are not deleted.

A caret becomes the following form by the mode.

Insert Mode | long and slender -- cylindrical
Overwrite Mode | The same size as the half size of one character

## Delete

A character can be deleted by the following key operation.

BackSpace | One character in front of a caret position is deleted.
Del | One character in a caret position is deleted.
Ctrl+BackSpace | One word on the left of a caret position is deleted.
Ctrl+Del | One word on the right of a caret position is deleted.
Ctrl+Y | All the characters of the line of a caret position are deleted.

The selection is deleted, when the character is selected and the above-mentioned key is pushed. Any characters other than the selection are not deleted.

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