Update dev-dependencies

Author: wooorm

package.json

@@ -12,22 +12,16 @@
     "Eugene Sharygin <[email protected]>"
   ],
   "devDependencies": {
-    "remark-cli": "^7.0.0",
-    "remark-preset-wooorm": "^6.0.0"
+    "remark-cli": "^8.0.0",
+    "remark-preset-wooorm": "^7.0.0"
   },
   "scripts": {
     "format": "remark . -qfo",
     "test": "npm run format"
   },
   "remarkConfig": {
     "plugins": [
-      "preset-wooorm",
-      [
-        "toc",
-        {
-          "heading": "contents"
-        }
-      ]
+      "preset-wooorm"
     ]
   }
 }

readme.md

@@ -2,7 +2,7 @@
 
 **M**ark**d**own **A**bstract **S**yntax **T**ree.
 
-* * *
+***
 
 **mdast** is a specification for representing Markdown in a [syntax
 tree][syntax-tree].
@@ -1565,7 +1565,7 @@ projects!
 
 [dfn-frontmatter-content]: #frontmattercontent
 
-[dfn-definition-content]: #frontmattercontent
+[dfn-definition-content]: #definitioncontent
 
 [dfn-list-content]: #listcontent