FIX detection of HTML content when only p tag is present.

htdocs/core/lib/functions.lib.php

@@ -4548,9 +4548,9 @@ function dol_textishtml($msg,$option=0)
 		if (preg_match('/<html/i',$msg))				return true;
 		elseif (preg_match('/<body/i',$msg))			return true;
 		elseif (preg_match('/<(b|em|i)>/i',$msg))		return true;
-		elseif (preg_match('/<(br|div|font|li|span|strong|table)>/i',$msg)) 	  return true;
-		elseif (preg_match('/<(br|div|font|li|span|strong|table)\s+[^<>\/]*>/i',$msg)) return true;
-		elseif (preg_match('/<(br|div|font|li|span|strong|table)\s+[^<>\/]*\/>/i',$msg)) return true;
+		elseif (preg_match('/<(br|div|font|li|p|span|strong|table)>/i',$msg)) 	  return true;
+		elseif (preg_match('/<(br|div|font|li|p|span|strong|table)\s+[^<>\/]*>/i',$msg)) return true;
+		elseif (preg_match('/<(br|div|font|li|p|span|strong|table)\s+[^<>\/]*\/>/i',$msg)) return true;
 		elseif (preg_match('/<img\s+[^<>]*src[^<>]*>/i',$msg)) return true;	// must accept <img src="http://example.com/aaa.png" />
 		elseif (preg_match('/<a\s+[^<>]*href[^<>]*>/i',$msg)) return true;	// must accept <a href="http://example.com/aaa.png" />
 		elseif (preg_match('/<h[0-9]>/i',$msg))			return true;