fixup! doc,tools: properly syntax highlight API ref docs

LICENSE

@@ -1448,6 +1448,39 @@ The externally maintained libraries used by Node.js are:
      THE POSSIBILITY OF SUCH DAMAGE.
   """
 
+- highlight.js, located at doc/api_assets/highlight.pack.js, is licensed as follows:
+  """
+    BSD 3-Clause License
+
+    Copyright (c) 2006, Ivan Sagalaev.
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, this
+      list of conditions and the following disclaimer.
+
+    * 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.
+
+    * 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.
+  """
+
 - node-heapdump, located at src/heap_utils.cc, is licensed as follows:
   """
     ISC License

tools/license-builder.sh

@@ -102,6 +102,9 @@ addlicense "brotli" "deps/brotli" "$(cat ${rootdir}/deps/brotli/LICENSE)"
 
 addlicense "HdrHistogram" "deps/histogram" "$(cat ${rootdir}/deps/histogram/LICENSE.txt)"
 
+addlicense "highlight.js" "doc/api_assets/highlight.pack.js" \
+           "$(curl -sL https://raw.githubusercontent.com/highlightjs/highlight.js/63f367c46f2eeb6f9b7a3545e325eeeb917f9942/LICENSE)"
+
 addlicense "node-heapdump" "src/heap_utils.cc" \
            "$(curl -sL https://raw.githubusercontent.com/bnoordhuis/node-heapdump/0ca52441e46241ffbea56a389e2856ec01c48c97/LICENSE)"