{%- if favicon %}
    <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>
    {%- endif %}
    {%- endif %}
{%- block linktags %}
    {%- if hasdoc('about') %}
    <link rel="author" title="{{ _('About these documents') }}" href="{{ pathto('about') }}" />
    {%- endif %}
    {%- if hasdoc('genindex') %}
    <link rel="index" title="{{ _('Index') }}" href="{{ pathto('genindex') }}" />
    {%- endif %}
    {%- if hasdoc('search') %}
    <link rel="search" title="{{ _('Search') }}" href="