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          (a)  under intellectual property rights (other than patent or
          trademark) Licensable by Contributor, to use, reproduce, modify,
          display, perform, sublicense and distribute the Modifications
          created by such Contributor (or portions thereof) either on an
          unmodified basis, with other Modifications, as Covered Code
          and/or as part of a Larger Work; and

          (b) under Patent Claims infringed by the making, using, or
          selling of  Modifications made by that Contributor either alone
          and/or in combination with its Contributor Version (or portions
          of such combination), to make, use, sell, offer for sale, have
          made, and/or otherwise dispose of: 1) Modifications made by that
          Contributor (or portions thereof); and 2) the combination of
          Modifications made by that Contributor with its Contributor
          Version (or portions of such combination).

          (c) the licenses granted in Sections 2.2(a) and 2.2(b) are
          effective on the date Contributor first makes Commercial Use of
          the Covered Code.

          (d)    Notwithstanding Section 2.2(b) above, no patent license is
          granted: 1) for any code that Contributor has deleted from the
          Contributor Version; 2)  separate from the Contributor Version;
          3)  for infringements caused by: i) third party modifications of
          Contributor Version or ii)  the combination of Modifications made
          by that Contributor with other software  (except as part of the
          Contributor Version) or other devices; or 4) under Patent Claims
          infringed by Covered Code in the absence of Modifications made by
          that Contributor.

3. Distribution Obligations.

     3.1. Application of License.
     The Modifications which You create or to which You contribute are
     governed by the terms of this License, including without limitation
     Section 2.2. The Source Code version of Covered Code may be
     distributed only under the terms of this License or a future version
     of this License released under Section 6.1, and You must include a
     copy of this License with every copy of the Source Code You
     distribute. You may not offer or impose any terms on any Source Code
     version that alters or restricts the applicable version of this
     License or the recipients' rights hereunder. However, You may include
     an additional document offering the additional rights described in
     Section 3.5.

     3.2. Availability of Source Code.
     Any Modification which You create or to which You contribute must be
     made available in Source Code form under the terms of this License
     either on the same media as an Executable version or via an accepted
     Electronic Distribution Mechanism to anyone to whom you made an
     Executable version available; and if made available via Electronic
     Distribution Mechanism, must remain available for at least twelve (12)
     months after the date it initially became available, or at least six
     (6) months after a subsequent version of that particular Modification
     has been made available to such recipients. You are responsible for
     ensuring that the Source Code version remains available even if the
     Electronic Distribution Mechanism is maintained by a third party.

     3.3. Description of Modifications.
     You must cause all Covered Code to which You contribute to contain a
     file documenting the changes You made to create that Covered Code and
     the date of any change. You must include a prominent statement that
     the Modification is derived, directly or indirectly, from Original
     Code provided by the Initial Developer and including the name of the
     Initial Developer in (a) the Source Code, and (b) in any notice in an
     Executable version or related documentation in which You describe the
     origin or ownership of the Covered Code.

     3.4. Intellectual Property Matters
          (a) Third Party Claims.
          If Contributor has knowledge that a license under a third party's
          intellectual property rights is required to exercise the rights
          granted by such Contributor under Sections 2.1 or 2.2,
          Contributor must include a text file with the Source Code
          distribution titled "LEGAL" which describes the claim and the
          party making the claim in sufficient detail that a recipient will
          know whom to contact. If Contributor obtains such knowledge after
          the Modification is made available as described in Section 3.2,
          Contributor shall promptly modify the LEGAL file in all copies
          Contributor makes available thereafter and shall take other steps
          (such as notifying appropriate mailing lists or newsgroups)
          reasonably calculated to inform those who received the Covered
          Code that new knowledge has been obtained.

          (b) Contributor APIs.
          If Contributor's Modifications include an application programming
          interface and Contributor has knowledge of patent licenses which
          are reasonably necessary to implement that API, Contributor must
          also include this information in the LEGAL file.

               (c)    Representations.
          Contributor represents that, except as disclosed pursuant to
          Section 3.4(a) above, Contributor believes that Contributor's
          Modifications are Contributor's original creation(s) and/or
          Contributor has sufficient rights to grant the rights conveyed by
          this License.

     3.5. Required Notices.
     You must duplicate the notice in Exhibit A in each file of the Source
     Code.  If it is not possible to put such notice in a particular Source
     Code file due to its structure, then You must include such notice in a
     location (such as a relevant directory) where a user would be likely
     to look for such a notice.  If You created one or more Modification(s)
     You may add your name as a Contributor to the notice described in
     Exhibit A.  You must also duplicate this License in any documentation
     for the Source Code where You describe recipients' rights or ownership
     rights relating to Covered Code.  You may choose to offer, and to
     charge a fee for, warranty, support, indemnity or liability
     obligations to one or more recipients of Covered Code. However, You
     may do so only on Your own behalf, and not on behalf of the Initial
     Developer or any Contributor. You must make it absolutely clear than
     any such warranty, support, indemnity or liability obligation is
     offered by You alone, and You hereby agree to indemnify the Initial
     Developer and every Contributor for any liability incurred by the
     Initial Developer or such Contributor as a result of warranty,
     support, indemnity or liability terms You offer.

     3.6. Distribution of Executable Versions.
     You may distribute Covered Code in Executable form only if the
     requirements of Section 3.1-3.5 have been met for that Covered Code,
     and if You include a notice stating that the Source Code version of
     the Covered Code is available under the terms of this License,