This is the jslicense-labels1 page for gag_combo_gen. The table here displays a list of triples, where the first item is the JavaScript/WebAssembly file as served to the user, the second item is the license under which that code is distributed (listed as its SPDX license identifier, with a link to the canonical webpage for that license), and the third and last item is the original source for that code. For more information about what this is, see https://www.gnu.org/software/librejs/free-your-javascript.html.