Editor removes spaces in IE11 when pasting formatted XML from Visual Studio

[dimodi]

Bug report

Editor removes spaces in IE11 when pasting formatted XML from Visual Studio directly in the Editor's content area (i.e. not using the code snippet tool).

This issue affects us and our customers in the ticket handling process - we need to invest time to manually fix provided code snippets. You can refer to @marin-bratanov for details.

Reproduction of the problem

2017.2.504
http://dojo.telerik.com/UjAKig or http://runner.telerik.io/fullscreen/UjAKig

2018.1.117
http://dojo.telerik.com/UjAKig/4 or http://runner.telerik.io/fullscreen/UjAKig/4

Current behavior

https://www.screencast.com/t/hSXxBQhy

Spaces between tag names and attributes are removed.

Expected/desired behavior

All required spaces between tag names and attributes are preserved.

Environment

• Kendo UI version: 2017.2.504 - 2018.1.117
• Browser: IE11