_MarkdownExtra_TmpImpl::doAbbreviations PHP Method

    protected function doAbbreviations($text)
    {
        #
        # Find defined abbreviations in text and wrap them in <abbr> elements.
        #
        if ($this->abbr_word_re) {
            // cannot use the /x modifier because abbr_word_re may
            // contain significant spaces:
            $text = preg_replace_callback('{' . '(?<![\\w\\x1A])' . '(?:' . $this->abbr_word_re . ')' . '(?![\\w\\x1A])' . '}', array($this, '_doAbbreviations_callback'), $text);
        }
        return $text;
    }