nl_tokens: Plugin block is the tag used to specify that the contents can be overridden by extensions .
pl_tokens: function pluginBlock ( indent , parser ) { var <mask> = this . args [ 0 ] ; var output = '' ; // Register that the template is needed, for 1st pass; output += ` ${ template } \n ` ; // Generate code to see if pluginTemplates has block output += ` ${ template } \n ` ; output += 'if (_pg){ ' ; output += '_output += _pg;' ; output += '} else {\n' ; output += parser . compile . call ( this , ` ${ indent } ` ) ; output += '}\n' ; return output ; }