nvi: import version 2.2.1

import nvi 2.2.0-3bbdfe4

Update nvi to 2.2.0-05ed8b9

This version incorporates many fixes in particular a fix for vi -w
Another approach was proposed to merge those fixes (see review), I find
it easier to track changes if w

Update nvi to 2.2.0-05ed8b9

This version incorporates many fixes in particular a fix for vi -w
Another approach was proposed to merge those fixes (see review), I find
it easier to track changes if we keep importing snapshot on regular
basis

PR: 241985
Reported by: fernape
Differential Revision: https://reviews.freebsd.org/D26158

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Update nvi to 2.2.0

Main changes:
* Vim-style expandtab option
* Provides Turkish translation
* Backspace now deletes \ rather than being escaped
* T during motion commands is now VI-compatible
* En

Update nvi to 2.2.0

Main changes:
* Vim-style expandtab option
* Provides Turkish translation
* Backspace now deletes \ rather than being escaped
* T during motion commands is now VI-compatible
* Encoding related fixes, such as UTF-8 detection
* Fixed a number of memory management issues

MFC after: 3 weeks

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