Merge branch 'tom/fix-html-paste'

shared/editor/nodes/CodeFence.ts

@@ -148,7 +148,8 @@ export default class CodeFence extends Node {
         {
           tag: ".code-block",
           preserveWhitespace: "full",
-          contentElement: "code",
+          contentElement: (node: HTMLElement) =>
+            node.querySelector("code") || node,
           getAttrs: (dom: HTMLDivElement) => ({
             language: dom.dataset.language,
           }),

shared/editor/nodes/Heading.ts

@@ -48,7 +48,8 @@ export default class Heading extends Node {
       parseDOM: this.options.levels.map((level: number) => ({
         tag: `h${level}`,
         attrs: { level },
-        contentElement: ".heading-content",
+        contentElement: (node: HTMLHeadingElement) =>
+          node.querySelector(".heading-content") || node,
       })),
       toDOM: (node) => {
         let anchor, fold;

shared/editor/nodes/Notice.tsx

@@ -42,7 +42,8 @@ export default class Notice extends Node {
         {
           tag: "div.notice-block",
           preserveWhitespace: "full",
-          contentElement: "div.content",
+          contentElement: (node: HTMLDivElement) =>
+            node.querySelector("div.conten") || node,
           getAttrs: (dom: HTMLDivElement) => ({
             style: dom.className.includes("tip")
               ? "tip"