* Purpose: count the number of sentences in a text
* @link http://smarty.php.net/manual/en/language.modifier.count.paragraphs.php
* count_sentences (Smarty online manual)
* Purpose: count the number of sentences in a text
* @link http://smarty.php.net/manual/en/language.modifier.count.paragraphs.php
* count_sentences (Smarty online manual)