Multiline header colspan not working in Angularjs

Webix JS
1

It works fine if colspan is removed. Could you please check and advice?

http://webix.com/snippet/80c5ba8b

Thanks!

2

There’s a misprint: colspan property should be defined within the column config:

http://webix.com/snippet/74d70acd

3

I was trying to have a group header which spans across columns. Adding an empty string on the 2nd column fixed the issue for me.

http://webix.com/snippet/e9c668d5

Thanks for your help!