"/\r\n?/" => "\n", # unix newlines
"/ +\n/" => "<br />", # trailing spaces for hard line break
"/\n/" => "</p>\n<p>", # newlines start paragraphs
"/\r\n?/" => "\n", # unix newlines
"/ +\n/" => "<br />", # trailing spaces for hard line break
"/\n/" => "</p>\n<p>", # newlines start paragraphs