Hi,

I’ve attached a patch with some suggested additions to org-attach. Patch comments below. Please review.

Kind regards

Gustav

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Patch comments:

* Add new linktype "attached" for attachments

A new linktype "attached" is added in order to reduce link-duplication

when wanting to link to files in attached folders of nodes. This works

for both ID-based attachments and ATTACH_DIR.  Inline images will

trigger also for attachments, as well as search-decorations in the

links.  The goal is to make the functionality for attached-links

mirror file-links.

* Add further options for ATTACH_DIR

When working with ATTACH_DIR there are now a couple of new options available:

- org-attach-dir-inherit-by-default

- org-attach-dir-create-if-not-exist

- org-attach-dir-relative

Descriptions of them can be found in the commit for each new customization.

* Documentation in org-manual

Org-manual is updated with the new link-type as well as some minor

cleanup in the documentation related to external links and attachments.