Tidy validation failed

*** /srv/www.debian.org/www/devel/website/index.el.html
line 69 column 77 - Warning: trimming empty <li>
*** /srv/www.debian.org/www/index.el.html
line 111 column 4 - Warning: trimming empty <label>
line 112 column 4 - Warning: trimming empty <label>
line 113 column 4 - Warning: trimming empty <label>
line 114 column 4 - Warning: trimming empty <label>
line 115 column 4 - Warning: trimming empty <label>
line 118 column 4 - Warning: trimming empty <label>
line 119 column 4 - Warning: trimming empty <label>
line 120 column 4 - Warning: trimming empty <label>
line 121 column 4 - Warning: trimming empty <label>
line 122 column 4 - Warning: trimming empty <label>
*** /srv/www.debian.org/www/mirror/list-full.el.html
line 111 column 17 - Error: <mcc> is not recognized!
line 111 column 17 - Warning: discarding unexpected <mcc>
line 2028 column 18 - Error: <mcc> is not recognized!
line 2028 column 18 - Warning: discarding unexpected <mcc>
*** /srv/www.debian.org/www/mirror/list.el.html
line 2762 column 34 - Error: <mcc> is not recognized!
line 2762 column 34 - Warning: discarding unexpected <mcc>
line 2762 column 26 - Warning: trimming empty <strong>
line 2762 column 21 - Warning: trimming empty <big>

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 Please also update webwml/english/devel/website/ with the new coordinator(s) data.