2.1.142 [HTML5:2014] Section The "in template" insertion mode

V0316: The template element is not supported

The specification states: The "in template" insertion mode
     When the user agent is to apply the rules for the "in template" insertion mode, the 
     user agent must handle the token as follows:

IE11 Mode, IE10 Mode, IE9 Mode, IE8 Mode, IE7 Mode, and IE5 (Quirks) Mode (All versions)

The template element is not supported.