src/third_party/mozjs/js/src/testing/mozbase/mozprofile/tests/files/prefs_with_comments.js

# A leading comment
user_pref("browser.startup.homepage", "http://planet.mozilla.org"); # A trailing comment
user_pref("zoom.minPercent", 30);
// Another leading comment
user_pref("zoom.maxPercent", 300); // Another trailing comment
user_pref("webgl.verbose", "false");