add autoloads and org-table copy cell function

settings/org-settings.el

@@ -336,30 +336,21 @@ Example defines
      (shell . t)
      (sql . t)))
 
-  (add-to-list 'image-file-name-extensions "eps" t))  ;; TODO: eps not needed?
+  (add-to-list 'image-file-name-extensions "eps" t))                  ;; TODO: eps not needed?
 
-;; org core libs
-(use-package org-src
-  :defer t
-  :config
-  (setq org-edit-src-content-indentation 0)
-  (setq org-src-preserve-indentation t))
-
-;; (require 'org-contrib-autoloads)
 (use-package org-contrib
-  ;; :defer t
+  :defer t
   ;; :init
   ;; (require 'org-contrib-autoloads)
   )
 
-;;; org-contrib libs
-
 ;; Make invisible parts of Org elements appear visible.
 (use-package org-appear
   :commands (org-appear-mode)
+  :init (require 'org-appear-autoloads)
   ;; :hook (org-mode . org-appear-mode)
-  :config
   (setq org-appear-autoentities t)    ;; toogle entities: \alpha -> ɑ, needs `org-pretty-entities' active
+  :config
   (setq org-appear-autoemphasis t)    ;; toggle emphasis markers, t by default, needs `org-hide-emphasis-markers' active
   (setq org-appear-autolinks t)       ;; toogle links, needs `org-link-descriptive' active
   (setq org-appear-autosubmarkers t)  ;; toogle subscripts and superscripts: ^3 -> ³, needs `org-pretty-entities' active
@@ -484,13 +475,13 @@ Suggest the URL title as a description for resource."
 
 (use-package org-collector  ;; collect properties into tables, using #+BEGIN: propview
   ;; org-contrib
-  :defer 0.1
-  :after org-table)
+  :after (org-contrib))
 
 (use-package org-drill  ;; requires persist https://elpa.gnu.org/packages/persist.html
   :commands org-drill)
 
 (use-package org-faces
+  ;; built-in org
   :defer t
   :config
   (setq org-todo-keyword-faces                 ;; TODO keywords
@@ -621,6 +612,13 @@ Suggest the URL title as a description for resource."
   ;;(setq org-roam-ui-open-on-start t)
   )
 
+(use-package org-src
+  ;; built-in org
+  :defer t
+  :config
+  (setq org-edit-src-content-indentation 0)
+  (setq org-src-preserve-indentation t))
+
 (use-package org-sticky-header
   :after (org-table-sticky-header)  ;; org-table-sticky-header-mode must be set before
   :hook (org-mode . org-sticky-header-mode)
@@ -663,9 +661,35 @@ Suggest the URL title as a description for resource."
   (set-face-attribute 'org-superstar-leading nil :foreground "#42444a"))  ;;   "#42444a"
 
 (use-package org-table
+  ;; built-in org
   :defer t
   :config
-  (setq org-table-convert-region-max-lines 9999))
+  (setq org-table-convert-region-max-lines 9999)
+
+  ;; copy content of current cell
+  (defun my-org-table-copy-cell ()
+    (interactive)
+    (when (org-at-table-p)
+      (kill-new
+       (string-trim
+        (substring-no-properties(org-table-get-field))))
+      (message "copied cell: @%d$%d"
+               (org-table-current-line)
+               (org-table-current-column) )))
+
+  ;; auto enable hl-line-mode inside org-table
+  ;; add a hook that runs after every command when you are in an org
+  ;; (or orgtbl) buffer, and toggles hl-line-mode accordingly
+  ;; https://emacs.stackexchange.com/a/29503
+  (defun my-org-table-highlight-current-line ()
+    (interactive)
+    (if (org-at-table-p)
+        (hl-line-mode 1)
+      (hl-line-mode -1)))
+  (defun my-org-table-setup-highlighting ()
+    (add-hook 'post-command-hook #'my-org-table-highlight-current-line nil t))
+  (add-hook 'org-mode-hook #'my-org-table-setup-highlighting)
+  (add-hook 'orgtbl-mode-hook #'my-org-table-setup-highlighting) )
 
 (use-package org-table-sticky-header
   :delight (org-table-sticky-header-mode "Tsh")  ;; \u24C4t OTSH "\u24C9"
@@ -1100,12 +1124,12 @@ Uses function `my-org-headline-string-element'"
                'my-org-latex-ensure-clearpage))
 
 (use-package ox-extra
-  :defer 0.1
-  :after (org)  ;; defer t is not enough bc/ ox-extra is not loaded by default
+  ;; built-in org-contrib
+  :after (ox)
   :config
   ;; https://emacs.stackexchange.com/questions/9492/is-it-possible-to-export-content-of-subtrees-without-their-headings
   ;; https://emacs.stackexchange.com/questions/44018/use-package-ensure-not-working-package-downloaded-but-gives-warning-and-skips-c
-  (ox-extras-activate '(ignore-headlines)))  ;; see in variable `ox-extras'
+  (ox-extras-activate '(ignore-headlines)))  ;; see available options in variable `ox-extras'
 
 (use-package ox-html
   :defer t  ;; will be loaded via `org-export-backends' see above inside `org'