Extend Mode

Intro

This mode can be entered by pressing f (Qwerty), it is a short-lived mode where the next keypress leads to one of the following:

1. Surround-related actions
2. Extending selection

Surround-related actions

Keymap

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This is a group of actions that is related to "surround" or "enclosures".

Label	Action
Around	Select around <x>
Inside	Select inside <x>
Delete Surround	Delete surrounding <x>
Change Surround	Change surrounding <x> to <y>
Surround	Surround current selection with <x>
Select All	Select the from first until the last selection of the current selection mode (use with Line to select the whole file).

<x> or <y> can be one of the following:

• () Parenthesis
• {} Curly Brace
• [] Square Bracket
• <> Angular Bracket
• ' Single Quote
• " Double Quote
• ` Backtick

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Extending selection

This is used for extending the current selection.

For example, selecting multiple words or multiple lines.

It behaves more or less the same as click-and-drag in the textbox or text area of common GUI applications, but imagine being able to tune both ends, unlike using a mouse where an incorrect selection means you have to start over again.

When selection extension is enabled:

1. Each selection is composed of two ranges (originally one range).
2. There's only one moveable range at a time.
3. Every character between the two ranges, including the two ranges, is selected
4. Selection-wise actions work on the extended range
5. Press ESC to disable selection extension

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