Hints for gnome-maps in main

Hints

• asv-unknown-tag
  org.gnome.Maps.appdata.xml:331 - ul
  Found invalid tag. Non-standard tags should be prefixed with `x-`. AppStream also provides the <custom/> tag to add arbitrary custom data to metainfo files. This tag is read by AppStream libraries and may be useful instead of defining new custom toplevel or `x-`-prefixed tags if you just want to add custom data to a metainfo file.
• asv-unknown-tag
  org.gnome.Maps.appdata.xml:338 - ul
  Found invalid tag. Non-standard tags should be prefixed with `x-`. AppStream also provides the <custom/> tag to add arbitrary custom data to metainfo files. This tag is read by AppStream libraries and may be useful instead of defining new custom toplevel or `x-`-prefixed tags if you just want to add custom data to a metainfo file.
• asv-url-not-secure
  org.gnome.Maps.appdata.xml:512 - http://wiki.gnome.org/Apps/Maps
  Consider using a secure (HTTPS) URL for this web link.
• asv-unknown-tag
  org.gnome.Maps.appdata.xml:346 - ul
  Found invalid tag. Non-standard tags should be prefixed with `x-`. AppStream also provides the <custom/> tag to add arbitrary custom data to metainfo files. This tag is read by AppStream libraries and may be useful instead of defining new custom toplevel or `x-`-prefixed tags if you just want to add custom data to a metainfo file.
• asv-unknown-tag
  org.gnome.Maps.appdata.xml:343 - ul
  Found invalid tag. Non-standard tags should be prefixed with `x-`. AppStream also provides the <custom/> tag to add arbitrary custom data to metainfo files. This tag is read by AppStream libraries and may be useful instead of defining new custom toplevel or `x-`-prefixed tags if you just want to add custom data to a metainfo file.
• asv-unknown-tag
  org.gnome.Maps.appdata.xml:326 - ul
  Found invalid tag. Non-standard tags should be prefixed with `x-`. AppStream also provides the <custom/> tag to add arbitrary custom data to metainfo files. This tag is read by AppStream libraries and may be useful instead of defining new custom toplevel or `x-`-prefixed tags if you just want to add custom data to a metainfo file.
• asv-unknown-tag
  org.gnome.Maps.appdata.xml:321 - ul
  Found invalid tag. Non-standard tags should be prefixed with `x-`. AppStream also provides the <custom/> tag to add arbitrary custom data to metainfo files. This tag is read by AppStream libraries and may be useful instead of defining new custom toplevel or `x-`-prefixed tags if you just want to add custom data to a metainfo file.
• asv-url-not-secure
  org.gnome.Maps.appdata.xml:514 - http://www.gnome.org/friends/
  Consider using a secure (HTTPS) URL for this web link.