Functionality extracted from DokuWiki

This is the first commit on top of a rewritten history extracted from
the DokuWiki repository. Further cleanup will follow.

Author: splitbrain

.gitignore

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+/vendor/
+.phpunit.result.cache

LICENSE

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+BSD 3-Clause License
+
+Copyright (c) 2005, 2006, 2007 Nick Galbreath
+              2006 til today Andreas Gohr and the DokuWiki community
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

_test/tests/lib/exe/js_js_compress.test.php

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+{
+    "name": "splitbrain/php-jsstrip",
+    "description": "PHP based JavaScript minimizer",
+    "type": "library",
+    "license": "BSD",
+    "autoload": {
+        "psr-4": {
+            "splitbrain\\JSStrip\\tests\\": "tests/",
+            "splitbrain\\JSStrip\\": "src/"
+        }
+    },
+    "authors": [
+        {
+            "name": "Andreas Gohr",
+            "email": "[email protected]"
+        }
+    ],
+    "require": {
+        "php": ">=7.2"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^8.0"
+    }
+}