The editor flags the validation error with red markers in the left and right margins and underlines the invalid syntax with a red squiggly line.

编辑器会左右两侧用红色标记标明验证错误，并给无效的语法加一条红色波浪型的下划线。

youdao

The editor flags the validation error with red markers in the left and right margins and underlines the invalid syntax with a red squiggly line.

编辑器会左右两侧用红色标记标明验证错误，并给无效的语法加一条红色波浪型的下划线。

youdao