/*!
 * DOMPurify
 * 
 * Copyright 2025 Dr.-Ing. Mario Heiderich, Cure53
 * 
 * DOMPurify is free software; you can redistribute it and/or modify it under the
 * terms of either:
 * 
 * a) the Apache License Version 2.0, or
 * b) the Mozilla Public License Version 2.0
 *
 * -----------------------------------------------------------------------------
 * 
 *                                  Apache License
 *                            Version 2.0, January 2004
 *                         http://www.apache.org/licenses/
 * 
 *   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 * 
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 *      To apply the Apache License to your work, attach the following
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 *   Unless required by applicable law or agreed to in writing, software
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 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 * -----------------------------------------------------------------------------
 * Mozilla Public License, version 2.0
 * 
 * 1. Definitions
 * 
 * 1.1. "Contributor"
 *
 *     means each individual or legal entity that creates, contributes to the
 *     creation of, or owns Covered Software.
 *
 * 1.2. "Contributor Version"
 * 
 *     means the combination of the Contributions of others (if any) used by a
 *     Contributor and that particular Contributor's Contribution.
 *
 * 1.3. "Contribution"
 *
 *     means Covered Software of a particular Contributor.
 *
 * 1.4. "Covered Software"
 *
 *     means Source Code Form to which the initial Contributor has attached the
 *     notice in Exhibit A, the Executable Form of such Source Code Form, and
 *     Modifications of such Source Code Form, in each case including portions
 *     thereof.
 *
 * 1.5. "Incompatible With Secondary Licenses"
 *     means
 * 
 *     a. that the initial Contributor has attached the notice described in
 *        Exhibit B to the Covered Software; or
 *
 *     b. that the Covered Software was made available under the terms of version
 *        1.1 or earlier of the License, but not also under the terms of a
 *        Secondary License.
 *
 * 1.6. "Executable Form"
 *
 *     means any form of the work other than Source Code Form.
 *
 * 1.7. "Larger Work"
 *
 *     means a work that combines Covered Software with other material, in a separate
 *     file or files, that is not Covered Software.
 *
 * 1.8. "License"
 *    
 *     means this document.
 *
 * 1.9. "Licensable"
 *
 *     means having the right to grant, to the maximum extent possible, whether at the
 *     time of the initial grant or subsequently, any and all of the rights conveyed by
 *     this License.
 *
 * 1.10. "Modifications"
 *
 *     means any of the following:
 * 
 *      a. any file in Source Code Form that results from an addition to, deletion
 *         from, or modification of the contents of Covered Software; or
 *
 *      b. any new file in Source Code Form that contains any Covered Software.
 *
 * 1.11. "Patent Claims" of a Contributor
 *
 *     means any patent claim(s), including without limitation, method, process,
 *     and apparatus claims, in any patent Licensable by such Contributor that
 *     would be infringed, but for the grant of the License, by the making,
 *     using, selling, offering for sale, having made, import, or transfer of
 *     either its Contributions or its Contributor Version.
 *
 * 1.12. "Secondary License"
 *
 *     means either the GNU General Public License, Version 2.0, the GNU Lesser
 *     General Public License, Version 2.1, the GNU Affero General Public
 *     License, Version 3.0, or any later versions of those licenses.
 *
 * 1.13. "Source Code Form"
 *
 *      means the form of the work preferred for making modifications.
 *
 * 1.14. "You" (or "Your")
 *
 *      means an individual or a legal entity exercising rights under this
 *      License. For legal entities, "You" includes any entity that controls, is
 *      controlled by, or is under common control with You. For purposes of this
 *      definition, "control" means (a) the power, direct or indirect, to cause
 *      the direction or management of such entity, whether by contract or
 *      otherwise, or (b) ownership of more than fifty percent (50%) of the
 *      outstanding shares or beneficial ownership of such entity.
 *
 *
 * 2. License Grants and Conditions
 * 
 * 2.1. Grants
 *
 *     Each Contributor hereby grants You a world-wide, royalty-free,
 *     non-exclusive license:
 *
 *     a. under intellectual property rights (other than patent or trademark)
 *        Licensable by such Contributor to use, reproduce, make available,
 *        modify, display, perform, distribute, and otherwise exploit its
 *        Contributions, either on an unmodified basis, with Modifications, or as
 *        part of a Larger Work; and
 *
 *     b. under Patent Claims of such Contributor to make, use, sell, offer for
 *        sale, have made, import, and otherwise transfer either its Contributions
 *        or its Contributor Version.
 *
 * 2.2. Effective Date
 *
 *     The licenses granted in Section 2.1 with respect to any Contribution become
 *     effective for each Contribution on the date the Contributor first distributes
 *     such Contribution.
 *
 * 2.3. Limitations on Grant Scope
 *
 *     The licenses granted in this Section 2 are the only rights granted under this
 *     License. No additional rights or licenses will be implied from the distribution
 *     or licensing of Covered Software under this License. Notwithstanding Section
 *     2.1(b) above, no patent license is granted by a Contributor:
 *
 *     a. for any code that a Contributor has removed from Covered Software; or
 *
 *     b. for infringements caused by: (i) Your and any other third party's
 *        modifications of Covered Software, or (ii) the combination of its
 *        Contributions with other software (except as part of its Contributor
 *        Version); or
 *
 *     c. under Patent Claims infringed by Covered Software in the absence of its
 *        Contributions.
 * 
 *      This License does not grant any rights in the trademarks, service marks, or
 *      logos of any Contributor (except as may be necessary to comply with the
 *      notice requirements in Section 3.4).
 *
 * 2.4. Subsequent Licenses
 *
 *     No Contributor makes additional grants as a result of Your choice to
 *     distribute the Covered Software under a subsequent version of this License
 *     (see Section 10.2) or under the terms of a Secondary License (if permitted
 *     under the terms of Section 3.3).
 *
 * 2.5. Representation
 *
 *     Each Contributor represents that the Contributor believes its Contributions
 *     are its original creation(s) or it has sufficient rights to grant the
 *     rights to its Contributions conveyed by this License.
 *
 * 2.6. Fair Use
 *
 *     This License is not intended to limit any rights You have under applicable
 *     copyright doctrines of fair use, fair dealing, or other equivalents.
 *
 * 2.7. Conditions
 *
 *     Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
 *      Section 2.1.
 * 
 * 
 * 3. Responsibilities
 * 
 * 3.1. Distribution of Source Form
 *
 *     All distribution of Covered Software in Source Code Form, including any
 *     Modifications that You create or to which You contribute, must be under the
 *     terms of this License. You must inform recipients that the Source Code Form
 *     of the Covered Software is governed by the terms of this License, and how
 *     they can obtain a copy of this License. You may not attempt to alter or
 *     restrict the recipients’ rights in the Source Code Form.
 * 
 * 3.2. Distribution of Executable Form
 *
 *     If You distribute Covered Software in Executable Form then:
 *
 *     a. such Covered Software must also be made available in Source Code Form,
 *        as described in Section 3.1, and You must inform recipients of the
 *        Executable Form how they can obtain a copy of such Source Code Form by
 *         reasonable means in a timely manner, at a charge no more than the cost
 *         of distribution to the recipient; and
 * 
 *      b. You may distribute such Executable Form under the terms of this License,
 *         or sublicense it under different terms, provided that the license for
 *         the Executable Form does not attempt to limit or alter the recipients'
 *         rights in the Source Code Form under this License.
 *
 * 3.3. Distribution of a Larger Work
 *
 *     You may create and distribute a Larger Work under terms of Your choice,
 *     provided that You also comply with the requirements of this License for the
 *     Covered Software. If the Larger Work is a combination of Covered Software
 *     with a work governed by one or more Secondary Licenses, and the Covered
 *     Software is not Incompatible With Secondary Licenses, this License permits
 *     You to additionally distribute such Covered Software under the terms of
 *     such Secondary License(s), so that the recipient of the Larger Work may, at
 *     their option, further distribute the Covered Software under the terms of
 *     either this License or such Secondary License(s).
 *
 * 3.4. Notices
 *
 *     You may not remove or alter the substance of any license notices (including
 *     copyright notices, patent notices, disclaimers of warranty, or limitations
 *     of liability) contained within the Source Code Form of the Covered
 *     Software, except that You may alter any license notices to the extent
 *     required to remedy known factual inaccuracies.
 *
 * 3.5. Application of Additional Terms
 *
 *     You may choose to offer, and to charge a fee for, warranty, support,
 *     indemnity or liability obligations to one or more recipients of Covered
 *     Software. However, You may do so only on Your own behalf, and not on behalf
 *     of any Contributor. You must make it absolutely clear that any such
 *     warranty, support, indemnity, or liability obligation is offered by You
 *     alone, and You hereby agree to indemnify every Contributor for any
 *     liability incurred by such Contributor as a result of warranty, support,
 *     indemnity or liability terms You offer. You may include additional
 *     disclaimers of warranty and limitations of liability specific to any
 *     jurisdiction.
 *
 * 4. Inability to Comply Due to Statute or Regulation
 *
 *     If it is impossible for You to comply with any of the terms of this License
 *     with respect to some or all of the Covered Software due to statute, judicial
 *     order, or regulation then You must: (a) comply with the terms of this License
 *     to the maximum extent possible; and (b) describe the limitations and the code
 *     they affect. Such description must be placed in a text file included with all
 *     distributions of the Covered Software under this License. Except to the
 *     extent prohibited by statute or regulation, such description must be
 *     sufficiently detailed for a recipient of ordinary skill to be able to
 *     understand it.
 *
 * 5. Termination
 *
 * 5.1. The rights granted under this License will terminate automatically if You
 *     fail to comply with any of its terms. However, if You become compliant,
 *     then the rights granted under this License from a particular Contributor
 *     are reinstated (a) provisionally, unless and until such Contributor
 *     explicitly and finally terminates Your grants, and (b) on an ongoing basis,
 *     if such Contributor fails to notify You of the non-compliance by some
 *     reasonable means prior to 60 days after You have come back into compliance.
 *     Moreover, Your grants from a particular Contributor are reinstated on an
 *     ongoing basis if such Contributor notifies You of the non-compliance by
 *     some reasonable means, this is the first time You have received notice of
 *     non-compliance with this License from such Contributor, and You become
 *     compliant prior to 30 days after Your receipt of the notice.
 *
 * 5.2. If You initiate litigation against any entity by asserting a patent
 *     infringement claim (excluding declaratory judgment actions, counter-claims,
 *     and cross-claims) alleging that a Contributor Version directly or
 *     indirectly infringes any patent, then the rights granted to You by any and
 *     all Contributors for the Covered Software under Section 2.1 of this License
 *     shall terminate.
 *
 * 5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
 *     license agreements (excluding distributors and resellers) which have been
 *     validly granted by You or Your distributors under this License prior to
 *     termination shall survive termination.
 *
 * 6. Disclaimer of Warranty
 *
 *     Covered Software is provided under this License on an “as is” basis, without
 *     warranty of any kind, either expressed, implied, or statutory, including,
 *     without limitation, warranties that the Covered Software is free of defects,
 *     merchantable, fit for a particular purpose or non-infringing. The entire
 *     risk as to the quality and performance of the Covered Software is with You.
 *     Should any Covered Software prove defective in any respect, You (not any
 *     Contributor) assume the cost of any necessary servicing, repair, or
 *     correction. This disclaimer of warranty constitutes an essential part of this
 *     License. No use of  any Covered Software is authorized under this License
 *     except under this disclaimer.
 *
 * 7. Limitation of Liability
 *
 *     Under no circumstances and under no legal theory, whether tort (including
 *     negligence), contract, or otherwise, shall any Contributor, or anyone who
 *     distributes Covered Software as permitted above, be liable to You for any
 *     direct, indirect, special, incidental, or consequential damages of any
 *     character including, without limitation, damages for lost profits, loss of
 *     goodwill, work stoppage, computer failure or malfunction, or any and all
 *     other commercial damages or losses, even if such party shall have been
 *     informed of the possibility of such damages. This limitation of liability
 *     shall not apply to liability for death or personal injury resulting from such
 *     party’s negligence to the extent applicable law prohibits such limitation.
 *     Some jurisdictions do not allow the exclusion or limitation of incidental or
 *     consequential damages, so this exclusion and limitation may not apply to You.
 *
 * 8. Litigation
 *
 *     Any litigation relating to this License may be brought only in the courts of
 *     a jurisdiction where the defendant maintains its principal place of business
 *     and such litigation shall be governed by laws of that jurisdiction, without
 *     reference to its conflict-of-law provisions. Nothing in this Section shall
 *     prevent a party’s ability to bring cross-claims or counter-claims.
 *
 * 9. Miscellaneous
 *
 *     This License represents the complete agreement concerning the subject matter
 *     hereof. If any provision of this License is held to be unenforceable, such
 *     provision shall be reformed only to the extent necessary to make it
 *     enforceable. Any law or regulation which provides that the language of a
 *     contract shall be construed against the drafter shall not be used to construe
 *     this License against a Contributor.
 * 
 * 
 * 10. Versions of the License
 *
 * 10.1. New Versions
 *
 *      Mozilla Foundation is the license steward. Except as provided in Section
 *      10.3, no one other than the license steward has the right to modify or
 *      publish new versions of this License. Each version will be given a
 *      distinguishing version number.
 *
 * 10.2. Effect of New Versions
 *
 *      You may distribute the Covered Software under the terms of the version of
 *      the License under which You originally received the Covered Software, or
 *      under the terms of any subsequent version published by the license
 *      steward.
 *
 * 10.3. Modified Versions
 *
 *      If you create software not governed by this License, and you want to
 *      create a new license for such software, you may create and use a modified
 *      version of this License if you rename the license and remove any
 *      references to the name of the license steward (except to note that such
 *      modified license differs from this License).
 *
 * 10.4. Distributing Source Code Form that is Incompatible With Secondary Licenses
 *      If You choose to distribute Source Code Form that is Incompatible With
 *      Secondary Licenses under the terms of this version of the License, the
 *      notice described in Exhibit B of this License must be attached.
 *
 * Exhibit A - Source Code Form License Notice
 *
 *      This Source Code Form is subject to the
 *      terms of the Mozilla Public License, v.
 *      2.0. If a copy of the MPL was not
 *      distributed with this file, You can
 *      obtain one at
 *      http://mozilla.org/MPL/2.0/.
 *
 * If it is not possible or desirable to put the notice in a particular file, then
 * You may include the notice in a location (such as a LICENSE file in a relevant
 * directory) where a recipient would be likely to look for such a notice.
 *
 * You may add additional accurate notices of copyright ownership.
 *
 * Exhibit B - "Incompatible With Secondary Licenses" Notice
 *
 *      This Source Code Form is "Incompatible
 *      With Secondary Licenses", as defined by
 *      the Mozilla Public License, v. 2.0.
 *
 */