See #160 (comment) for related issue.
site_title should return HTML, e.g. {% site_title %} would return:
<div>My blog's title!</div>
or {% site_title tag="h2" class="title" %} would return:
<h2 class="title">My blog's title!</h2>
get_site_title should be used to return the string.
See #160 (comment) for related issue.
site_titleshould return HTML, e.g.{% site_title %}would return:or
{% site_title tag="h2" class="title" %}would return:get_site_titleshould be used to return the string.