生成自定义实体前,关闭UNDO,待自定义实体生成后,再打开UNDO。
Command: undo
Enter the number of operations to undo or [Auto/Control/BEgin/End/Mark/Back]
: c
Enter an UNDO control option [All/None/One] : none
Command: undo
Enter the number of operations to undo or [Auto/Control/BEgin/End/Mark/Back]
<1>: c
Enter an UNDO control option [All/None/One] <All>: none