Fix blank lines at start of Atom/RSS feeds

tildes/tildes/templates/base.atom.jinja2

@@ -1,5 +1,5 @@
 {# Copyright (c) 2021 Tildes contributors <code@tildes.net> #}
-{# SPDX-License-Identifier: AGPL-3.0-or-later #}
+{# SPDX-License-Identifier: AGPL-3.0-or-later -#}
 
 <?xml version="1.0" encoding="UTF-8" ?>
 <feed xmlns="http://www.w3.org/2005/Atom">

tildes/tildes/templates/base.rss.jinja2

@@ -1,5 +1,5 @@
 {# Copyright (c) 2021 Tildes contributors <code@tildes.net> #}
-{# SPDX-License-Identifier: AGPL-3.0-or-later #}
+{# SPDX-License-Identifier: AGPL-3.0-or-later -#}
 
 <?xml version="1.0" encoding="UTF-8" ?>
 <rss version="2.0">

tildes/tildes/templates/home.atom.jinja2

@@ -1,6 +1,6 @@
 {# Copyright (c) 2021 Tildes contributors <code@tildes.net> #}
 {# SPDX-License-Identifier: AGPL-3.0-or-later #}
 
-{% extends 'topic_listing.atom.jinja2' %}
+{%- extends 'topic_listing.atom.jinja2' %}
 
 {% block feed_title %}Tildes Atom feed{% endblock %}

tildes/tildes/templates/home.rss.jinja2

@@ -1,7 +1,7 @@
 {# Copyright (c) 2021 Tildes contributors <code@tildes.net> #}
 {# SPDX-License-Identifier: AGPL-3.0-or-later #}
 
-{% extends 'topic_listing.rss.jinja2' %}
+{%- extends 'topic_listing.rss.jinja2' %}
 
 {% block channel_title %}Tildes{% endblock %}
 {% block channel_link %}https://tildes.net/{% endblock %}

tildes/tildes/templates/topic_listing.atom.jinja2

@@ -1,7 +1,7 @@
 {# Copyright (c) 2021 Tildes contributors <code@tildes.net> #}
 {# SPDX-License-Identifier: AGPL-3.0-or-later #}
 
-{% extends 'base.atom.jinja2' %}
+{%- extends 'base.atom.jinja2' %}
 
 {% block feed_title %}~{{ group.path }} - Tildes{% endblock %}
 

tildes/tildes/templates/topic_listing.rss.jinja2

@@ -1,5 +1,5 @@
 {# Copyright (c) 2021 Tildes contributors <code@tildes.net> #}
-{# SPDX-License-Identifier: AGPL-3.0-or-later #}
+{# SPDX-License-Identifier: AGPL-3.0-or-later -#}
 
 {% extends 'base.rss.jinja2' %}