Someone asked about it and want to be sure :)
This is what i respond-ed:

yes is based on mozilla public license
http://www.ibphoenix.com/main.nfs?a=ibphoenix&s=1131791730:249155&page=ibp_idpl

6.4 Origin of the Initial Developer's Public License. The Initial
Developer's
Public License is based on the Mozilla Public License V 1.1 with
the following
changes:

1) The license is published by the Initial Developer of this
code. Only the
Initial Developer can modify the terms applicable to Covered Code.

2) The license can be modified and used for code which is not already
governed by this license. Modified versions of the license must be
renamed to avoid confusion with Netscape's license Initial
Developer's's
license and must include a description of changes from the Initial
Developer's Public License.

3) The name of the license in Exhibit A is the "Initial
Developer's Public
License".

4) The reference to an alternative license in Exhibit A has
been removed

.
5) Amendments I, II, III, V, and VI have been deleted.

6) Exhibit A, Netscape Public License has been deleted

--
developer flamerobin.org