dependency update

package-lock.json

@@ -20,7 +20,7 @@
         "fitty": "^2.3.0",
         "glob": "^7.1.7",
         "gulp": "^4.0.2",
-        "gulp-autoprefixer": "^5.0.0",
+        "gulp-autoprefixer": "^8.0.0",
         "gulp-clean-css": "^4.2.0",
         "gulp-connect": "^5.7.0",
         "gulp-eslint": "^6.0.0",
@@ -28,7 +28,7 @@
         "gulp-tap": "^2.0.0",
         "gulp-zip": "^4.2.0",
         "highlight.js": "^10.0.3",
-        "marked": "^2.0.3",
+        "marked": "^4.0.12",
         "node-qunit-puppeteer": "^2.1.0",
         "qunit": "^2.17.2",
         "rollup": "^2.48.0",
@@ -1903,33 +1903,30 @@
       }
     },
     "node_modules/autoprefixer": {
-      "version": "8.6.5",
-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-8.6.5.tgz",
-      "integrity": "sha512-PLWJN3Xo/rycNkx+mp8iBDMTm3FeWe4VmYaZDSqL5QQB9sLsQkG5k8n+LNDFnhh9kdq2K+egL/icpctOmDHwig==",
+      "version": "10.4.2",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.2.tgz",
+      "integrity": "sha512-9fOPpHKuDW1w/0EKfRmVnxTDt8166MAnLI3mgZ1JCnhNtYWxcJ6Ud5CO/AVOZi/AvFa8DY9RTy3h3+tFBlrrdQ==",
       "dev": true,
       "dependencies": {
-        "browserslist": "^3.2.8",
-        "caniuse-lite": "^1.0.30000864",
+        "browserslist": "^4.19.1",
+        "caniuse-lite": "^1.0.30001297",
+        "fraction.js": "^4.1.2",
         "normalize-range": "^0.1.2",
-        "num2fraction": "^1.2.2",
-        "postcss": "^6.0.23",
-        "postcss-value-parser": "^3.2.3"
+        "picocolors": "^1.0.0",
+        "postcss-value-parser": "^4.2.0"
       },
       "bin": {
         "autoprefixer": "bin/autoprefixer"
-      }
-    },
-    "node_modules/autoprefixer/node_modules/browserslist": {
-      "version": "3.2.8",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-3.2.8.tgz",
-      "integrity": "sha512-WHVocJYavUwVgVViC0ORikPHQquXwVh939TaelZ4WDqpWgTX/FsGhl/+P4qBUAGcRvtOgDgC+xftNWWp2RUTAQ==",
-      "dev": true,
-      "dependencies": {
-        "caniuse-lite": "^1.0.30000844",
-        "electron-to-chromium": "^1.3.47"
       },
-      "bin": {
-        "browserslist": "cli.js"
+      "engines": {
+        "node": "^10 || ^12 || >=14"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/postcss/"
+      },
+      "peerDependencies": {
+        "postcss": "^8.1.0"
       }
     },
     "node_modules/babel-plugin-dynamic-import-node": {
@@ -2111,16 +2108,16 @@
       }
     },
     "node_modules/browserslist": {
-      "version": "4.16.6",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
-      "integrity": "sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==",
+      "version": "4.19.3",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.19.3.tgz",
+      "integrity": "sha512-XK3X4xtKJ+Txj8G5c30B4gsm71s69lqXlkYui4s6EkKxuv49qjYlY6oVd+IFJ73d4YymtM3+djvvt/R/iJwwDg==",
       "dev": true,
       "dependencies": {
-        "caniuse-lite": "^1.0.30001219",
-        "colorette": "^1.2.2",
-        "electron-to-chromium": "^1.3.723",
+        "caniuse-lite": "^1.0.30001312",
+        "electron-to-chromium": "^1.4.71",
         "escalade": "^3.1.1",
-        "node-releases": "^1.1.71"
+        "node-releases": "^2.0.2",
+        "picocolors": "^1.0.0"
       },
       "bin": {
         "browserslist": "cli.js"
@@ -2227,9 +2224,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001272",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001272.tgz",
-      "integrity": "sha512-DV1j9Oot5dydyH1v28g25KoVm7l8MTxazwuiH3utWiAS6iL/9Nh//TGwqFEeqqN8nnWYQ8HHhUq+o4QPt9kvYw==",
+      "version": "1.0.30001312",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001312.tgz",
+      "integrity": "sha512-Wiz1Psk2MEK0pX3rUzWaunLTZzqS2JYZFzNKqAiJGiuxIjRPLgV6+VDPOg6lQOUxmDwhTlh198JsTTi8Hzw6aQ==",
       "dev": true,
       "funding": {
         "type": "opencollective",
@@ -2538,12 +2535,6 @@
         "color-support": "bin.js"
       }
     },
-    "node_modules/colorette": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
-      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
-      "dev": true
-    },
     "node_modules/colors": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
@@ -2924,9 +2915,9 @@
       "dev": true
     },
     "node_modules/electron-to-chromium": {
-      "version": "1.3.732",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.732.tgz",
-      "integrity": "sha512-qKD5Pbq+QMk4nea4lMuncUMhpEiQwaJyCW7MrvissnRcBDENhVfDmAqQYRQ3X525oTzhar9Zh1cK0L2d1UKYcw==",
+      "version": "1.4.73",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.73.tgz",
+      "integrity": "sha512-RlCffXkE/LliqfA5m29+dVDPB2r72y2D2egMMfIy3Le8ODrxjuZNVo4NIC2yPL01N4xb4nZQLwzi6Z5tGIGLnA==",
       "dev": true
     },
     "node_modules/emoji-regex": {
@@ -3886,6 +3877,19 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/fraction.js": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.1.3.tgz",
+      "integrity": "sha512-pUHWWt6vHzZZiQJcM6S/0PXfS+g6FM4BF5rj9wZyreivhQPdsh5PpE25VtSNxq80wHS5RfY51Ii+8Z0Zl/pmzg==",
+      "dev": true,
+      "engines": {
+        "node": "*"
+      },
+      "funding": {
+        "type": "patreon",
+        "url": "https://www.patreon.com/infusion"
+      }
+    },
     "node_modules/fragment-cache": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",
@@ -4200,20 +4204,52 @@
       }
     },
     "node_modules/gulp-autoprefixer": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/gulp-autoprefixer/-/gulp-autoprefixer-5.0.0.tgz",
-      "integrity": "sha1-gjfCeKaXdScKHK/n1vEBz81YVUQ=",
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/gulp-autoprefixer/-/gulp-autoprefixer-8.0.0.tgz",
+      "integrity": "sha512-sVR++PIaXpa81p52dmmA/jt50bw0egmylK5mjagfgOJ8uLDGaF9tHyzvetkY9Uo0gBZUS5sVqN3kX/GlUKOyog==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "autoprefixer": "^8.0.0",
-        "fancy-log": "^1.3.2",
+        "autoprefixer": "^10.2.6",
+        "fancy-log": "^1.3.3",
         "plugin-error": "^1.0.1",
-        "postcss": "^6.0.1",
-        "through2": "^2.0.0",
-        "vinyl-sourcemaps-apply": "^0.2.0"
+        "postcss": "^8.3.0",
+        "through2": "^4.0.2",
+        "vinyl-sourcemaps-apply": "^0.2.1"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "peerDependencies": {
+        "gulp": ">=4"
+      },
+      "peerDependenciesMeta": {
+        "gulp": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/gulp-autoprefixer/node_modules/readable-stream": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+      "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+      "dev": true,
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
       },
       "engines": {
-        "node": ">=4.5"
+        "node": ">= 6"
+      }
+    },
+    "node_modules/gulp-autoprefixer/node_modules/through2": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-4.0.2.tgz",
+      "integrity": "sha512-iOqSav00cVxEEICeD7TjLB1sueEL+81Wpzp2bY17uZjZN0pWZPuo4suZ/61VujxmqSGFfgOcNuTZ85QJwNZQpw==",
+      "dev": true,
+      "dependencies": {
+        "readable-stream": "3"
       }
     },
     "node_modules/gulp-clean-css": {
@@ -5902,15 +5938,15 @@
       }
     },
     "node_modules/marked": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-2.0.3.tgz",
-      "integrity": "sha512-5otztIIcJfPc2qGTN8cVtOJEjNJZ0jwa46INMagrYfk0EvqtRuEHLsEe0LrFS0/q+ZRKT0+kXK7P2T1AN5lWRA==",
+      "version": "4.0.12",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-4.0.12.tgz",
+      "integrity": "sha512-hgibXWrEDNBWgGiK18j/4lkS6ihTe9sxtV4Q1OQppb/0zzyPSzoFANBa5MfsG/zgsWklmNnhm0XACZOH/0HBiQ==",
       "dev": true,
       "bin": {
-        "marked": "bin/marked"
+        "marked": "bin/marked.js"
       },
       "engines": {
-        "node": ">= 8.16.2"
+        "node": ">= 12"
       }
     },
     "node_modules/matchdep": {
@@ -6168,6 +6204,18 @@
       "dev": true,
       "optional": true
     },
+    "node_modules/nanoid": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.1.tgz",
+      "integrity": "sha512-n6Vs/3KGyxPQd6uO0eH4Bv0ojGSUvuLlIHtC3Y0kEO23YRge8H9x1GCzLn28YX0H66pMkxuaeESFq4tKISKwdw==",
+      "dev": true,
+      "bin": {
+        "nanoid": "bin/nanoid.cjs"
+      },
+      "engines": {
+        "node": "^10 || ^12 || ^13.7 || ^14 || >=15.0.1"
+      }
+    },
     "node_modules/nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -6277,9 +6325,9 @@
       }
     },
     "node_modules/node-releases": {
-      "version": "1.1.72",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
-      "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.2.tgz",
+      "integrity": "sha512-XxYDdcQ6eKqp/YjI+tb2C5WM2LgjnZrfYg4vgQt49EK268b6gYCHsBLrK2qvJo4FmCtqmKezb0WZFK4fkrZNsg==",
       "dev": true
     },
     "node_modules/node-watch": {
@@ -6342,12 +6390,6 @@
         "node": ">= 0.10"
       }
     },
-    "node_modules/num2fraction": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/num2fraction/-/num2fraction-1.2.2.tgz",
-      "integrity": "sha1-b2gragJ6Tp3fpFZM0lidHU5mnt4=",
-      "dev": true
-    },
     "node_modules/number-is-nan": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
@@ -6827,6 +6869,12 @@
       "integrity": "sha1-elfrVQpng/kRUzH89GY9XI4AelA=",
       "dev": true
     },
+    "node_modules/picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+      "dev": true
+    },
     "node_modules/picomatch": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.3.tgz",
@@ -6943,34 +6991,29 @@
       }
     },
     "node_modules/postcss": {
-      "version": "6.0.23",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz",
-      "integrity": "sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==",
+      "version": "8.4.7",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.7.tgz",
+      "integrity": "sha512-L9Ye3r6hkkCeOETQX6iOaWZgjp3LL6Lpqm6EtgbKrgqGGteRMNb9vzBfRL96YOSu8o7x3MfIH9Mo5cPJFGrW6A==",
       "dev": true,
       "dependencies": {
-        "chalk": "^2.4.1",
-        "source-map": "^0.6.1",
-        "supports-color": "^5.4.0"
+        "nanoid": "^3.3.1",
+        "picocolors": "^1.0.0",
+        "source-map-js": "^1.0.2"
       },
       "engines": {
-        "node": ">=4.0.0"
+        "node": "^10 || ^12 || >=14"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/postcss/"
       }
     },
     "node_modules/postcss-value-parser": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz",
-      "integrity": "sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz",
+      "integrity": "sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==",
       "dev": true
     },
-    "node_modules/postcss/node_modules/source-map": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -8318,6 +8361,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/source-map-js": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/source-map-resolve": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.3.tgz",
@@ -11032,29 +11084,17 @@
       "dev": true
     },
     "autoprefixer": {
-      "version": "8.6.5",
-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-8.6.5.tgz",
-      "integrity": "sha512-PLWJN3Xo/rycNkx+mp8iBDMTm3FeWe4VmYaZDSqL5QQB9sLsQkG5k8n+LNDFnhh9kdq2K+egL/icpctOmDHwig==",
+      "version": "10.4.2",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.2.tgz",
+      "integrity": "sha512-9fOPpHKuDW1w/0EKfRmVnxTDt8166MAnLI3mgZ1JCnhNtYWxcJ6Ud5CO/AVOZi/AvFa8DY9RTy3h3+tFBlrrdQ==",
       "dev": true,
       "requires": {
-        "browserslist": "^3.2.8",
-        "caniuse-lite": "^1.0.30000864",
+        "browserslist": "^4.19.1",
+        "caniuse-lite": "^1.0.30001297",
+        "fraction.js": "^4.1.2",
         "normalize-range": "^0.1.2",
-        "num2fraction": "^1.2.2",
-        "postcss": "^6.0.23",
-        "postcss-value-parser": "^3.2.3"
-      },
-      "dependencies": {
-        "browserslist": {
-          "version": "3.2.8",
-          "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-3.2.8.tgz",
-          "integrity": "sha512-WHVocJYavUwVgVViC0ORikPHQquXwVh939TaelZ4WDqpWgTX/FsGhl/+P4qBUAGcRvtOgDgC+xftNWWp2RUTAQ==",
-          "dev": true,
-          "requires": {
-            "caniuse-lite": "^1.0.30000844",
-            "electron-to-chromium": "^1.3.47"
-          }
-        }
+        "picocolors": "^1.0.0",
+        "postcss-value-parser": "^4.2.0"
       }
     },
     "babel-plugin-dynamic-import-node": {
@@ -11214,16 +11254,16 @@
       }
     },
     "browserslist": {
-      "version": "4.16.6",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
-      "integrity": "sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==",
+      "version": "4.19.3",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.19.3.tgz",
+      "integrity": "sha512-XK3X4xtKJ+Txj8G5c30B4gsm71s69lqXlkYui4s6EkKxuv49qjYlY6oVd+IFJ73d4YymtM3+djvvt/R/iJwwDg==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "^1.0.30001219",
-        "colorette": "^1.2.2",
-        "electron-to-chromium": "^1.3.723",
+        "caniuse-lite": "^1.0.30001312",
+        "electron-to-chromium": "^1.4.71",
         "escalade": "^3.1.1",
-        "node-releases": "^1.1.71"
+        "node-releases": "^2.0.2",
+        "picocolors": "^1.0.0"
       }
     },
     "buffer-crc32": {
@@ -11296,9 +11336,9 @@
       "dev": true
     },
     "caniuse-lite": {
-      "version": "1.0.30001272",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001272.tgz",
-      "integrity": "sha512-DV1j9Oot5dydyH1v28g25KoVm7l8MTxazwuiH3utWiAS6iL/9Nh//TGwqFEeqqN8nnWYQ8HHhUq+o4QPt9kvYw==",
+      "version": "1.0.30001312",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001312.tgz",
+      "integrity": "sha512-Wiz1Psk2MEK0pX3rUzWaunLTZzqS2JYZFzNKqAiJGiuxIjRPLgV6+VDPOg6lQOUxmDwhTlh198JsTTi8Hzw6aQ==",
       "dev": true
     },
     "chalk": {
@@ -11555,12 +11595,6 @@
       "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==",
       "dev": true
     },
-    "colorette": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
-      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
-      "dev": true
-    },
     "colors": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
@@ -11872,9 +11906,9 @@
       "dev": true
     },
     "electron-to-chromium": {
-      "version": "1.3.732",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.732.tgz",
-      "integrity": "sha512-qKD5Pbq+QMk4nea4lMuncUMhpEiQwaJyCW7MrvissnRcBDENhVfDmAqQYRQ3X525oTzhar9Zh1cK0L2d1UKYcw==",
+      "version": "1.4.73",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.73.tgz",
+      "integrity": "sha512-RlCffXkE/LliqfA5m29+dVDPB2r72y2D2egMMfIy3Le8ODrxjuZNVo4NIC2yPL01N4xb4nZQLwzi6Z5tGIGLnA==",
       "dev": true
     },
     "emoji-regex": {
@@ -12667,6 +12701,12 @@
         "for-in": "^1.0.1"
       }
     },
+    "fraction.js": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.1.3.tgz",
+      "integrity": "sha512-pUHWWt6vHzZZiQJcM6S/0PXfS+g6FM4BF5rj9wZyreivhQPdsh5PpE25VtSNxq80wHS5RfY51Ii+8Z0Zl/pmzg==",
+      "dev": true
+    },
     "fragment-cache": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",
@@ -12914,17 +12954,39 @@
       }
     },
     "gulp-autoprefixer": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/gulp-autoprefixer/-/gulp-autoprefixer-5.0.0.tgz",
-      "integrity": "sha1-gjfCeKaXdScKHK/n1vEBz81YVUQ=",
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/gulp-autoprefixer/-/gulp-autoprefixer-8.0.0.tgz",
+      "integrity": "sha512-sVR++PIaXpa81p52dmmA/jt50bw0egmylK5mjagfgOJ8uLDGaF9tHyzvetkY9Uo0gBZUS5sVqN3kX/GlUKOyog==",
       "dev": true,
       "requires": {
-        "autoprefixer": "^8.0.0",
-        "fancy-log": "^1.3.2",
+        "autoprefixer": "^10.2.6",
+        "fancy-log": "^1.3.3",
         "plugin-error": "^1.0.1",
-        "postcss": "^6.0.1",
-        "through2": "^2.0.0",
-        "vinyl-sourcemaps-apply": "^0.2.0"
+        "postcss": "^8.3.0",
+        "through2": "^4.0.2",
+        "vinyl-sourcemaps-apply": "^0.2.1"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        },
+        "through2": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-4.0.2.tgz",
+          "integrity": "sha512-iOqSav00cVxEEICeD7TjLB1sueEL+81Wpzp2bY17uZjZN0pWZPuo4suZ/61VujxmqSGFfgOcNuTZ85QJwNZQpw==",
+          "dev": true,
+          "requires": {
+            "readable-stream": "3"
+          }
+        }
       }
     },
     "gulp-clean-css": {
@@ -14290,9 +14352,9 @@
       }
     },
     "marked": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-2.0.3.tgz",
-      "integrity": "sha512-5otztIIcJfPc2qGTN8cVtOJEjNJZ0jwa46INMagrYfk0EvqtRuEHLsEe0LrFS0/q+ZRKT0+kXK7P2T1AN5lWRA==",
+      "version": "4.0.12",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-4.0.12.tgz",
+      "integrity": "sha512-hgibXWrEDNBWgGiK18j/4lkS6ihTe9sxtV4Q1OQppb/0zzyPSzoFANBa5MfsG/zgsWklmNnhm0XACZOH/0HBiQ==",
       "dev": true
     },
     "matchdep": {
@@ -14499,6 +14561,12 @@
       "dev": true,
       "optional": true
     },
+    "nanoid": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.1.tgz",
+      "integrity": "sha512-n6Vs/3KGyxPQd6uO0eH4Bv0ojGSUvuLlIHtC3Y0kEO23YRge8H9x1GCzLn28YX0H66pMkxuaeESFq4tKISKwdw==",
+      "dev": true
+    },
     "nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -14589,9 +14657,9 @@
       }
     },
     "node-releases": {
-      "version": "1.1.72",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
-      "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.2.tgz",
+      "integrity": "sha512-XxYDdcQ6eKqp/YjI+tb2C5WM2LgjnZrfYg4vgQt49EK268b6gYCHsBLrK2qvJo4FmCtqmKezb0WZFK4fkrZNsg==",
       "dev": true
     },
     "node-watch": {
@@ -14641,12 +14709,6 @@
         "once": "^1.3.2"
       }
     },
-    "num2fraction": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/num2fraction/-/num2fraction-1.2.2.tgz",
-      "integrity": "sha1-b2gragJ6Tp3fpFZM0lidHU5mnt4=",
-      "dev": true
-    },
     "number-is-nan": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
@@ -15007,6 +15069,12 @@
       "integrity": "sha1-elfrVQpng/kRUzH89GY9XI4AelA=",
       "dev": true
     },
+    "picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+      "dev": true
+    },
     "picomatch": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.3.tgz",
@@ -15092,28 +15160,20 @@
       "dev": true
     },
     "postcss": {
-      "version": "6.0.23",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz",
-      "integrity": "sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==",
+      "version": "8.4.7",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.7.tgz",
+      "integrity": "sha512-L9Ye3r6hkkCeOETQX6iOaWZgjp3LL6Lpqm6EtgbKrgqGGteRMNb9vzBfRL96YOSu8o7x3MfIH9Mo5cPJFGrW6A==",
       "dev": true,
       "requires": {
-        "chalk": "^2.4.1",
-        "source-map": "^0.6.1",
-        "supports-color": "^5.4.0"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
+        "nanoid": "^3.3.1",
+        "picocolors": "^1.0.0",
+        "source-map-js": "^1.0.2"
       }
     },
     "postcss-value-parser": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz",
-      "integrity": "sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz",
+      "integrity": "sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==",
       "dev": true
     },
     "prelude-ls": {
@@ -16202,6 +16262,12 @@
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
       "dev": true
     },
+    "source-map-js": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "dev": true
+    },
     "source-map-resolve": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.3.tgz",

package.json

@@ -42,7 +42,7 @@
     "fitty": "^2.3.0",
     "glob": "^7.1.7",
     "gulp": "^4.0.2",
-    "gulp-autoprefixer": "^5.0.0",
+    "gulp-autoprefixer": "^8.0.0",
     "gulp-clean-css": "^4.2.0",
     "gulp-connect": "^5.7.0",
     "gulp-eslint": "^6.0.0",
@@ -50,7 +50,7 @@
     "gulp-tap": "^2.0.0",
     "gulp-zip": "^4.2.0",
     "highlight.js": "^10.0.3",
-    "marked": "^2.0.3",
+    "marked": "^4.0.12",
     "node-qunit-puppeteer": "^2.1.0",
     "qunit": "^2.17.2",
     "rollup": "^2.48.0",

plugin/markdown/plugin.js

@@ -4,7 +4,7 @@
  * of external markdown documents.
  */
 
-import marked from 'marked'
+import { marked } from 'marked';
 
 const DEFAULT_SLIDE_SEPARATOR = '\r?\n---\r?\n',
 	  DEFAULT_NOTES_SEPARATOR = 'notes?:',

plugin/notes/plugin.js

@@ -1,6 +1,6 @@
 import speakerViewHTML from './speaker-view.html';
 
-import marked from 'marked';
+import { marked } from 'marked';
 
 /**
  * Handles opening of and synchronization with the reveal.js