I don't seem to have any trouble with org-eww-copy-for-org-mode. I
capture with a capture template. The code below may be longer or more
than you want, but it works for me.
My capture template is this:
("w" "Website" plain
(function org-website-clipper)
"* %a\n%T\n" :immediate-finish t)
And it depends on the following code.
(require 'ol-eww)
(require 'ol-w3m)
;;; Change this to suit:
(defvar org-website-page-archive-file "~/organize/website/websites.org")
(defun org-website-clipper ()
"When capturing a website page, go to the right place in capture file,
but do sneaky things. Because it's a w3m or eww page, we go
ahead and insert the fixed-up page content, as I don't see a
good way to do that from an org-capture template alone. Requires
Emacs 25+ and the 2017-02-12 or later patched version of org-eww.el."
(interactive)
;;; Address the plague of trailing whitespace in some web buffers.
(let ((buffer-read-only nil))
(delete-trailing-whitespace))
;;; Check for acceptable major mode (w3m or eww) and set up a couple of
;;; browser specific values. Error if unknown mode.
(cond
((eq major-mode 'w3m-mode)
(org-w3m-copy-for-org-mode))
((eq major-mode 'eww-mode)
(org-eww-copy-for-org-mode))
(t
(error "Not valid -- must be in w3m or eww mode")))
;;; Check if we have a full path to the archive file.
;;; Create any missing directories.
(unless (file-exists-p org-website-page-archive-file)
(let ((dir (file-name-directory org-website-page-archive-file)))
(unless (file-exists-p dir)
(make-directory dir))))
;; Open the archive file and yank in the content.
;; Headers are fixed up later by org-capture.
(find-file org-website-page-archive-file)
(goto-char (point-max))
;; Leave a blank line for org-capture to fill in
;; with a timestamp, URL, etc.
(insert "\n\n")
;; Insert the web content but keep our place.
(save-excursion (yank))
;; Don't keep the page info on the kill ring.
;; Also fix the yank pointer.
(setq kill-ring (cdr kill-ring))
(setq kill-ring-yank-pointer kill-ring)
;; Final repositioning.
(forward-line -1)
)
