Libre Writer: Changes from one document update to the other

Is there a way for changes on one document to be updated on the other and vice versa? I was looking into the section feature but when I uncheck all the boxes and make an edit not on the source but remote document those changes are not recorded upon reload.

source:

remote:

yes:
image description

changes were not saved and for some reason the remote doc section settings write protection was reverted back to on?:

What you are looking for is part of the master/subdocuments feature.

A master document can reference other documents without copying their text (which would freeze the state).

A master document is technically) slightly different and must be created as File>New>Master Document.

Since the description of the feature and its properties are too long for this site, read the Writer Guide or at least the built-in help.

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I am not sure if this is exactly addressing the issue because when the the master document was created with a heading and i tried edting that heading section from within master it would not be updated upon reload. It required me to edit the new document that was created from that heading in master. However I somehow managed to edit both documents regardles of which document i made the edit in by linking the section again to the effect where both were referencing themselves. If this can be done without requiring a master then the solution was really to just cross link both documents together to allow editing from both directions. Although this seems tedious if having to referencing more than a handful of documents?

Headers are a bit special when using a master. Header content is an attribute of the page style, but page styles are taken from the current document. This means that header set in a subdocument remains in the subdocumernt. The master uses it own page style and this needs the header to be set again “manually” in the master. In other words, headers/footers do not import in a master. This is simultaneously a drawback and an advantage (when you want a different header in the master).

I have never tested the cross referencing between document. I have no idea about your present use case and can’t thus comment on it.