...that your license differs from this License) and (b) otherwise make it clear that Your version of the license contains terms which differ from the Mozilla Public License and Netscape Public License. (Filling in the name of the Initial Developer, Original Code or Contributor in the notice described in Exhibit A shall not of themselves be deemed to be modifications of this License.) 6.4 * Origin of the Interbase Public License. * The Interbase public license is based on the Mozilla Public License...
--InterBase Public License (IPL), Version 1.0. (Paragraph 63.)