insert - Merge insert

<insert>

Merge insert 

Introduce

The same as the following:
insert_start id="..."
insert_end

New content is inserted at the same id part in the merged file.

template:
<insert id="...">
 ..(2)..
</insert>

the same id in merged file:
insert_start id="..."
  ..(1)..
insert_end

After merge:
insert_start id="..."
  ..(1)..
  ..(2)..
insert_end

Attribute

id(required)
Merge insert id

Example

More examples, please read: