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NrrwRgn

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A Narrow Region Plugin for vim (like Emacs Narrow Region)

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# NrrwRgn plugin [![Say Thanks!](https://img.shields.io/badge/Say%20Thanks-!-1EAEDB.svg)](https://saythanks.io/to/cb%40256bit.org)

> A Vim plugin for focussing on a selected region

This plugin is inspired by the [Narrowing feature of Emacs](http://www.emacswiki.org/emacs/Narrowing) and means to focus on a selected region while making the rest inaccessible. You simply select the region, call `:NR` and the selected part will open in a new split window while the rest of the buffer will be protected. Once you are finished, simply write the narrowed window (`:w`) and all the changes will be moved back to the original buffer.

See also the following screencast, that shows several features available:
![screencast of the plugin](https://raw.githubusercontent.com/chrisbra/NrrwRgn/master/screencast.gif "Screencast")

## Installation

Use the plugin manager of your choice. Or download the [stable][] version of the plugin, edit it with Vim (`vim NrrwRgn-XXX.vmb`) and simply source it (`:so %`). Restart and take a look at the help (`:h NrrwRgn.txt`)

[stable]: http://www.vim.org/scripts/script.php?script_id=3075

## Usage

Once installed, take a look at the help at `:h NarrowRegion`.

Here is a short overview of the functionality provided by the plugin:

### Ex commands:

:NR  - Open the selected region in a new narrowed window
    :NW  - Open the current visual window in a new narrowed window
    :WR  - (In the narrowed window) write the changes back to the original buffer.
    :NRV - Open the narrowed window for the region that was last visually selected.
    :NUD - (In a unified diff) open the selected diff in 2 Narrowed windows
    :NRP - Mark a region for a Multi narrowed window
    :NRM - Create a new Multi narrowed window (after :NRP) - experimental!
    :NRS - Enable Syncing the buffer content back (default on)
    :NRN - Disable Syncing the buffer content back
    :NRL - Reselect the last selected region and open it again in a narrowed window

You can append `!` to most commands to open the narrowed part in the current window instead of a new window. In the case of `:WR`, appending `!` closes the narrowed window in addition to writing to the original buffer.

### Visual mode commands:

<Leader>nr		 - Open the current visual selection in a new narrowed window

### Scripting Functions:

nrrwrgn#NrrwRgnStatus()   - Return a dict with all the status information for the current window

### Attention

:NRM is currently experimental

## Similar Work

Andreas Politz' [narrow_region](http://www.vim.org/scripts/script.php?script_id=2038)<br/>
Kana Natsunos [narrow](http://www.vim.org/scripts/script.php?script_id=2097)<br/>
Jonas Kramers [narrow](http://www.vim.org/scripts/script.php?script_id=2446)<br/>
Marcin Szamotulskis [ViewPort](http://www.vim.org/scripts/script.php?script_id=4296)<br/>

## License & Copyright

__NO WARRANTY, EXPRESS OR IMPLIED.  USE AT-YOUR-OWN-RISK__

NrrwRgn

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