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ox: Handle failure to localize link
* lisp/ox.el (org-export-link-localise): When no local copy of the link resource could be fetched, produce a warning message and do nothing instead of setting the link :path to nil.
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@ -4612,12 +4612,17 @@ If LINK refers to a remote resource, modify it to point to a local
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downloaded copy. Otherwise, return unchanged LINK."
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(when (org-export-link-remote-p link)
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(let* ((local-path (org-export-link--remote-local-copy link)))
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(if local-path
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(setcdr link
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(thread-first (cadr link)
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(plist-put :type "file")
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(plist-put :path local-path)
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(plist-put :raw-link (concat "file:" local-path))
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list))))
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list))
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(display-warning
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'(org export)
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(format "unable to obtain local copy of %s"
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(org-element-property :raw-link link))))))
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link)
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;;;; For References
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