Translations:Extension:Graph/Guide/19/en

Vega 2 supports template parameters, such as  "template": "" , but MediaWiki will attempt to find "indexDate" template and transclude it. To avoid this, use \u007b instead of the first curly brace, \u007d instead of the last closing curly brace, and the | instead of the pipe symbol "|":  "template": "\u007b{indexDate | time: '%b %Y'}\u007d" 
 * Using double curly braces in the graphs