From: bitjo <jo+github@b-i-t.de>
Date: Mon, 12 Dec 2016 20:05:55 GMT
Subject: [BUG] Git-GUI destroys the author name
Message-ID: <588ac268-0a1b-6787-e6a1-4164e7e9a784@b-i-t.de>

Since Git version 2.11, git gui destroys the author name when 'git
commit amend' is executed and the author name contains UTF-8-specific
characters.

This is a known issue from 'Git for Windows' and now a
platform-independent bug.

Please refer
- https://github.com/git-for-windows/git/issues/761
- https://github.com/git-for-windows/git/issues/761#issuecomment-220792200
- https://github.com/git-for-windows/git/issues/761#issuecomment-266519859

From my point of view, this is a severe error since the repostory is
changed incorrectly. Users of git gui will usually not be able to
correct this error with git commands.