anchor.diff:  		meta(property='twitter:card', content='summary')
   		meta(property='twitter:site', content='@syuilo')
   		meta(property='twitter:title', content=user.name + 'さんのMisskeyプロフィール')
  -		meta(property='twitter:description', content=user.comment)
  +		meta(property='twitter:description', content= user.comment != null ? user.comment : (user.name + 'さんのMisskeyプロフィール'))
   		meta(property='twitter:image', content=url + '/img/icon/' + user.screenName)
   		meta(property='twitter:url', content=url + '/' + user.screenName)
   		block title
  
positive.code: 							h1
  								span#name(itemprop='name')= user.name
  								span#screenName(itemprop='alternateName')= '@' + user.screenName
  							p#comment(itemprop='description')= user.comment
  				nav#headerNav(role='navigation')
  					div#headerNavBackground
  					div#headerNavMain
  
negative.code: 	head(prefix='og: http://ogp.me/ns#')
  		include ../templates/head
  		meta(name='robots', content='all')
  		meta(name='description', content= user.comment != null ? user.comment : (user.name + 'さんのMisskeyプロフィール'))
  		meta(name='keywords', content='Misskey,' + user.screenName)
  		meta(property='og:title', content=user.name)
  		meta(property='og:type', content='article')
  