= $this->partial("sidebar") ?>
Comparing versions = $this->linkTo($this->h($this->params()->from), ['action' => "show", 'title' => $this->params()->title, 'version' => $this->params()->from]) ?> and = $this->linkTo($this->h($this->params()->to), ['action' => "show", 'title' => $this->params()->title, 'version' => $this->params()->to]) ?>.
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