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      <div class="breadcrumb"><a href="/">Home</a> » <a href="/licenses">Licenses</a></div>

      <h1 property="dc:title">Common Lisp LOOP License</h1>
      <div style="display:none;"><code property="spdx:deprecated">false</code></div>
      <h2>Full name</h2>
          <p style="margin-left: 20px;"><code property="spdx:name">Common Lisp LOOP License</code></p>

      <h2>Short identifier</h2>
          <p style="margin-left: 20px;"><code property="spdx:licenseId">LOOP</code></p>

      <h2>Other web pages for this license</h2>
          <div style="margin-left: 20px;">
            <ul>
             <li>
               <a href="https://gitlab.com/embeddable-common-lisp/ecl/-/blob/develop/src/lsp/loop.lsp" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T14:56:04Z>https://gitlab.com/embeddable-common-lisp/ecl/-/blob/develop/src/lsp/loop.lsp</a>
               <!--Tentative way of displaying information <p>isValid: true, isLive: true, isWayBackLink: false, match: false, timestamp: 2025-07-01T14:56:04Z</p> -->
             </li>
             <li>
               <a href="http://git.savannah.gnu.org/cgit/gcl.git/tree/gcl/lsp/gcl_loop.lsp?h=Version_2_6_13pre" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T14:56:02Z>http://git.savannah.gnu.org/cgit/gcl.git/tree/gcl/lsp/gcl_loop.lsp?h&#61;Version_2_6_13pre</a>
               <!--Tentative way of displaying information <p>isValid: true, isLive: true, isWayBackLink: false, match: false, timestamp: 2025-07-01T14:56:02Z</p> -->
             </li>
             <li>
               https://sourceforge.net/p/sbcl/sbcl/ci/master/tree/src/code/loop.lisp [no longer live]
             </li>
             <li>
               <a href="https://github.com/cl-adams/adams/blob/master/LICENSE.md" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T14:56:05Z>https://github.com/cl-adams/adams/blob/master/LICENSE.md</a>
               <!--Tentative way of displaying information <p>isValid: true, isLive: true, isWayBackLink: false, match: false, timestamp: 2025-07-01T14:56:05Z</p> -->
             </li>
             <li>
               <a href="https://github.com/blakemcbride/eclipse-lisp/blob/master/lisp/loop.lisp" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T14:56:02Z>https://github.com/blakemcbride/eclipse-lisp/blob/master/lisp/loop.lisp</a>
               <!--Tentative way of displaying information <p>isValid: true, isLive: true, isWayBackLink: false, match: false, timestamp: 2025-07-01T14:56:02Z</p> -->
             </li>
             <li>
               <a href="https://gitlab.common-lisp.net/cmucl/cmucl/-/blob/master/src/code/loop.lisp" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T14:56:01Z>https://gitlab.common-lisp.net/cmucl/cmucl/-/blob/master/src/code/loop.lisp</a>
               <!--Tentative way of displaying information <p>isValid: true, isLive: true, isWayBackLink: false, match: false, timestamp: 2025-07-01T14:56:01Z</p> -->
             </li>
           </ul>
          </div>

      <div property="spdx:isOsiApproved" style="display: none;">false</div>

      <h2 id="notes">Notes</h2>
          <p style="margin-left: 20px;">None</p>

      <h2 id="licenseText">Text</h2>
      
      <blockquote cite="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/">
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		      Text in italicized blue is omittable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b35-guideline-omittable-text">Matching Guidelines B.3.5</a>).
		      License or exception text will match to the text for the specified identifier if it either includes or excludes this omittable text.
			  <br/>
			  <br/>
			  Text in red is replaceable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b34-guideline-replaceable-text">Matching Guidelines B.3.4</a>).
			  License or exception text will match to the text for the specified identifier if it includes a permitted variant of this replaceable text.
			  The permitted variants can be found in the corresponding regular expression as shown in title text visible by hovering over the red text.
	      </div>
	  </blockquote>

      <div property="spdx:licenseText" class="license-text">
      
      <p>
        Portions of LOOP are Copyright (c) 1986 by the Massachusetts Institute of Technology.
	All Rights Reserved.
      </p>

      <p>
        Permission to use, copy, modify and distribute this software and its
        documentation for any purpose and without fee is hereby granted,
        provided that the M.I.T. copyright notice appear in all copies and that
        both that copyright notice and this permission notice appear in
        supporting documentation.  The names &quot;M.I.T.&quot; and &quot;Massachusetts
        Institute of Technology&quot; may not be used in advertising or publicity
        pertaining to distribution of the software without specific, written
        prior permission.  Notice must be given in supporting documentation that
        copying distribution is by permission of M.I.T.  M.I.T. makes no
        representations about the suitability of this software for any purpose.
        It is provided &quot;as is&quot; without express or implied warranty.
      </p>

      <p>
        Massachusetts Institute of Technology<br />

        77 Massachusetts Avenue<br />

        Cambridge, Massachusetts  02139<br />

        United States of America<br />

        +1-617-253-1000
      </p>

      <p>
        Portions of LOOP are Copyright (c) 1989, 1990, 1991, 1992 by Symbolics, Inc.
        All Rights Reserved.
      </p>

      <p>
        Permission to use, copy, modify and distribute this software and its
        documentation for any purpose and without fee is hereby granted,
        provided that the Symbolics copyright notice appear in all copies and
        that both that copyright notice and this permission notice appear in
        supporting documentation.  The name &quot;Symbolics&quot; may not be used in
        advertising or publicity pertaining to distribution of the software
        without specific, written prior permission.  Notice must be given in
        supporting documentation that copying distribution is by permission of
        Symbolics.  Symbolics makes no representations about the suitability of
        this software for any purpose.  It is provided &quot;as is&quot; without express
        or implied warranty.
      </p>

      <p>
        Symbolics, CLOE Runtime, and Minima are trademarks, and CLOE, Genera,
        and Zetalisp are registered trademarks of Symbolics, Inc.
      </p>

      <p>
        Symbolics, Inc.<br />

        8 New England Executive Park, East<br />

        Burlington, Massachusetts  01803<br />

        United States of America<br />

        +1-617-221-1000
      </p>

    
      </div>

      <h2  id="licenseHeader">Standard License Header</h2>
      <div property="spdx:standardLicenseHeader" class="license-text">
        <p style="font-style: italic">There is no standard license header for the license</p>
        
      </div>
      <div property="spdx:standardLicenseTemplate" style="display: none;">
      Portions of LOOP are Copyright (c) 1986 by the Massachusetts Institute of Technology. All Rights Reserved.&#10;&#10;Permission to use, copy, modify and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the M.I.T. copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The names &quot;M.I.T.&quot; and &quot;Massachusetts Institute of Technology&quot; may not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Notice must be given in supporting documentation that copying distribution is by permission of M.I.T. M.I.T. makes no representations about the suitability of this software for any purpose. It is provided &quot;as is&quot; without express or implied warranty.&#10;&#10;Massachusetts Institute of Technology&#10;77 Massachusetts Avenue&#10;Cambridge, Massachusetts 02139&#10;United States of America&#10;+1-617-253-1000&#10;&#10;Portions of LOOP are Copyright (c) 1989, 1990, 1991, 1992 by Symbolics, Inc. All Rights Reserved.&#10;&#10;Permission to use, copy, modify and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the Symbolics copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The name &quot;Symbolics&quot; may not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Notice must be given in supporting documentation that copying distribution is by permission of Symbolics. Symbolics makes no representations about the suitability of this software for any purpose. It is provided &quot;as is&quot; without express or implied warranty.&#10;&#10;Symbolics, CLOE Runtime, and Minima are trademarks, and CLOE, Genera, and Zetalisp are registered trademarks of Symbolics, Inc.&#10;&#10;Symbolics, Inc.&#10;8 New England Executive Park, East&#10;Burlington, Massachusetts 01803&#10;United States of America&#10;+1-617-221-1000&#10;&#10;
      </div>

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