fix: 拆解单行的 td/th

aio/tools/translator/utils.spec.ts

@@ -286,7 +286,11 @@ ng generate directive highlight
 `)).eql(`
   <tr>
 
-      <td>abc</td>
+      <td>
+
+          abc
+
+      </td>
 
   </tr>
 `);

aio/tools/translator/utils.ts

@@ -68,6 +68,9 @@ export function normalizeLines(text: string): string {
   const trTagPattern = /( *)(<tr\b *[^>\n]*>)(.*)(<\/tr>)/g;
   text = text.replace(trTagPattern, '\n\n$1$2\n\n$1    $3\n\n$1$4\n\n');
 
+  const thTdTagPattern = /( *)<(th|td)\b( *[^>\n]*)>(.*?)<\/\2>/g;
+  text = text.replace(thTdTagPattern, '\n\n$1<$2$3>\n\n$1    $4\n\n$1</$2>\n\n');
+
   const blockTagPattern = /\n( *)<(\/?)(td|th|div|code-example|code-tabs|h\d+|p|tr)\b( *[^>\n]*)>( *)(?=\n)/g;
   text = text.replace(blockTagPattern, '\n\n$1<$2$3$4>$5\n');