When copied lists are extended with additional items, the merging behavior is to append the items specified on the list being copied to after those specified on the list being copied from.
This document therefore ...
template: - A - B copy < template - C
... is identical to this one ...
template: - A - B copy: - A - B - C
Any of the following merge results for
copy would be incorrect:
copy: - C - A - B
copy: - A - C - B
Next page: Merging sections