# Proxy non-standard license identifiers

To ensure license compliance, we proxy non-standard license identifiers and references to SPDX identifiers and map deprecated license identifiers as accurately as possible. Below is a list of common deprecated licenses and how we proxy them:

| Full Name                                       | Deprecated License                                                                                                                                                                                                                                                                                                                                                       | Proxy to          |
| ----------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ----------------- |
| GNU General Public License v1.0 only            | GPL-1.0                                                                                                                                                                                                                                                                                                                                                                  | GPL-1.0-only      |
| GNU General Public License v1.0 or later        | GPL-1.0+                                                                                                                                                                                                                                                                                                                                                                 | GPL-1.0-or-later  |
| GNU General Public License v2.0 only            | GPL-2.0                                                                                                                                                                                                                                                                                                                                                                  | GPL-2.0-only      |
| GNU General Public License v2.0 or later        | <p>GPL-2.0+<br>GPL 2.0+<br>GPL 2.0<br>GPL 2.0 or later<br>GPL2<br>GPL2+<br>GPL2.0<br>GPL v2.0 License<br>GPL v2.0 license.<br>GPL version 2+<br>GPL+2<br>GPL2 License<br>GPL2 or later<br>GPL2.0<br>GPL2.0 License<br>GPL2.0+<br>GPLv2<br>gplv2<br>GPL GNU v2<br>GPL General Public Licence v2 and later<br>GPL (optional either v2 or any later version)<br>GPL Lv2</p> | GPL-2.0-or-later  |
| GNU General Public License v3.0 only            | <p>GPL-3.0<br>GPL-3-0-only<br>GPL-3.0-only”<br>GPL-3.0 (only)</p>                                                                                                                                                                                                                                                                                                        | GPL-3.0-only      |
| GNU General Public License v3.0 or later        | <p>GPL-3.0+<br>GPL 3.0<br>GPL 3.0 or later<br>GPL-3-0-or-later<br>GPLv03<br>GPL (ver 3)<br>GPL-30<br>GPL-30.0 License<br>GPL3<br>GPL3+<br>GPLv3.0<br>GPLv 3.0<br>GPLv-3<br>GPLv.3<br>GPLv03<br>gpl\_V3<br>gpl v3<br>GPL GNUv3<br>GPL GNU-3.0<br>GPL GNU v3<br>GPL GNU 3.0<br>GPL Lv.3<br>GPL Lv3<br>GPL3v3<br>GPLb3+<br>GPLv3A</p>                                       | GPL-3.0-or-later  |
| GNU Library General Public License v2 only      | LGPL-2.0                                                                                                                                                                                                                                                                                                                                                                 | LGPL-2.0-only     |
| GNU Library General Public License v2 or later  | <p>LGPL-2.0+<br>LGPL 2.0<br>LGPL 2.0 license<br>LGPL V.2<br>LGPL Version 2.0</p>                                                                                                                                                                                                                                                                                         | LGPL-2.0-or-later |
| GNU Lesser General Public License v2.1 only     | LGPL-2.1                                                                                                                                                                                                                                                                                                                                                                 | LGPL-2.1-only     |
| GNU Lesser General Public License v2.1 or later | <p>LGPL-2.1+<br>LGPL 2.1 or later<br>LGPL, version 2.1<br>LGPL v 2.1<br>LGPL v. 2.1<br>LGPL v 2.1+<br>LGPL ver 2.1<br>LGPL version 2.1<br>LGPL version 2.1 or later<br>LGPL version 2.1, or (at your option) any later version</p>                                                                                                                                       | LGPL-2.1-or-later |
| GNU Lesser General Public License v3.0 only     | LGPL-3.0                                                                                                                                                                                                                                                                                                                                                                 | LGPL-3.0-only     |
| GNU Lesser General Public License v3.0 or later | <p>LGPL-3.0+<br>LGPL v3+<br>LGPL 3.0 or later<br>LGPL Licence Version 3<br>LGPL-v3+<br>LGPLv3a</p>                                                                                                                                                                                                                                                                       | LGPL-3.0-or-later |

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