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The previous version modified the whole environment leading to
problems (see #7757). This version *adds* LANG=C to the current
env, without overriding it completely.

Fixes #7757.

Fixes #7754

* Remove TRAPWINCH; it's unrelated to vi-mode

* Update prompt with ad hoc KEYMAP variable
  Fixes mode indicator when the terminal window is resized

changes:
- easily customize the colors via variables
- command to switch on/off the custom prompt
- Improved documentation with example on how to append on the prompt.

Fixes #7261

I was adding autojump on a new machine and annoyingly forgot that autojump
was to be installed on its own. This may be helpful.

Signed-off-by: Maximilian Güntner <code@maschinenpsychologe.de>

Fixes #5779
Fixes #5405

yaourt -> yay

Fixes #6999

Source: https://github.com/zsh-users/zsh-completions/blob/master/src/_httpie

Related: #7308

Fixes #7480

The whois.geek.nz resolver is now dead.

Fixes #7297

Fixes #6620

Fixes #6981. 

Fixes #4151

Fixes #6805

* Stop loading git plugin
* Update completion and git-prompt to v2.10
* Update completion to v2.14

Fixes #5453.

As described in #6086 there will be an error when one set another
language than English.

1. List the tags that match the pattern(s) passed through the argument.
2. Displays the first line of the annotation message along with the tag, or the line of the first commit message if the tag is not annotated.
3. Sorts and displays tags in descending order.

This reverts commit 0e0789fb.

Fixes #7716

It doesn't make sense to run `git branch -d $BRANCH` if the `$BRANCH` is empty.