share (embedding) text between odt documents (librewriter)

Impossible use cross-reference or dde-link for more than a paragraph.
So the only way (to share more than a paragraph) are sections:

  1. define the area you want share in the file A as a bookmark;
  2. in the file B insert -> section -> as link – choose the file and the bookmark
  3. the text boormarked in A will be visible in B

n.b.
It is not necessary a master document.