int end = m.end();
// grab the text, strip off the escape tags and transform it
String textToWikify = content.substring(start, end);
textToWikify = textToWikify.substring(WIKI_START_TAG.length(), textToWikify.length() - WIKI_END_TAG.length());
textToWikify = renderEngine.render(textToWikify, renderContext);
// now add it back into the original text
content = content.substring(0, start) + textToWikify + content.substring(end, content.length());
m = p.matcher(content);
}