Check if commentoUrl is set before using it. (#198)

John Tobin

16.42.2019 26a6a0a7cd6601bc02ab3c55a6ec1dceafa8b969

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{{- if and (isset .Site.Params "commentourl") (not (eq .Site.Params.commentoUrl "" )) (eq (.Params.disable_comments | default false) false) -}}
<div id="commento"></div>
<script src="{{ .Site.Params.commentoUrl }}/js/commento.js"></script>
{{- end -}}