|  | @@ -129,7 +129,8 @@ class syntax_plugin_socialite_button extends DokuWiki_Syntax_Plugin {
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				|  |  |              case 'twitter':
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				|  |  |                  $name = 'Twitter';
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				|  |  |                  $href = 'https://twitter.com/intent/tweet?url=' . $url . '&text='. $title;
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				|  |  | -                if (!empty($this->getConf('twitter_user'))) { $href .= "&via=" . rawurlencode($this->getConf('twitter_user')); }
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				|  |  | +                $twitter_user = $this->getConf('twitter_user');
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				|  |  | +                if (!empty($twitter_user)) { $href .= "&via=" . rawurlencode($twitter_user); }
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				|  |  |                  break;
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				|  |  |              case 'facebook':
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				|  |  |                  $name = 'Facebook';
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				|  | @@ -162,7 +163,8 @@ class syntax_plugin_socialite_button extends DokuWiki_Syntax_Plugin {
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				|  |  |              case 'delicious':
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				|  |  |                  $name = 'Delicious';
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				|  |  |                  $href = 'https://delicious.com/save?v=5&noui&jump=close&url='. $url .'&title=' . $title;
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				|  |  | -                if (!empty($this->getConf('delicious_provider'))) { $href .= "&provider=" . rawurlencode($this->getConf('delicious_provider')); }
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				|  |  | +                $delicious_provider = $this->getConf('delicious_provider');
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				|  |  | +                if (!empty($delicious_provider)) { $href .= "&provider=" . rawurlencode($delicious_provider); }
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				|  |  |                  break;
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				|  |  |              case 'stumbleupon':
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				|  |  |                  $name = 'StumbleUpon';
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