Wrong decimal separator in tooltip with multiple values

[ppotaczek]

Expected behaviour

Decimal separator should looks like in the first part of tooltip.

Actual behaviour

In the first part of tooltip the decimal separator is a comma and in the second is a dot.

Live demo with steps to reproduce

http://jsfiddle.net/BlackLabel/kt4u2d45/

Product version

Highcharts v6.0.7

Affected browser(s)

All