Fixes niklasvh#2238 niklasvh#1624 - Fix the issue of TextNode content being overlooked in rendering due to being perceived as blank by trim().

Author: xweiba

src/dom/node-parser.ts

@@ -17,8 +17,8 @@ const LIST_OWNERS = ['OL', 'UL', 'MENU'];
 const parseNodeTree = (context: Context, node: Node, parent: ElementContainer, root: ElementContainer) => {
     for (let childNode = node.firstChild, nextNode; childNode; childNode = nextNode) {
         nextNode = childNode.nextSibling;
-
-        if (isTextNode(childNode) && childNode.data.trim().length > 0) {
+        // Fixes #2238 #1624 - Fix the issue of TextNode content being overlooked in rendering due to being perceived as blank by trim().
+        if (isTextNode(childNode) && childNode.data.length > 0) {
             // The U tag marks text with a special underline treatment, and it's not possible to get the underline style from the browser's computed style.
             const parentStep = 3;
             let hasUnderline;