Setting tags is now on `C-c C-q'.

C-c C-c still works with the cursor in a headline,
but I wanted a special binding as the default, mainly
in order to be able to set tags in a remember buffer.

doc/org.texi

@@ -3474,8 +3474,8 @@ After a colon, @kbd{M-@key{TAB}} offers completion on tags.  There is
 also a special command for inserting tags:
 
 @table @kbd
-@kindex C-c C-c
-@item C-c C-c
+@kindex C-c C-q
+@item C-c C-q
 @cindex completion, of tags
 Enter new tags for the current headline.  Org mode will either offer
 completion or a special single-key interface for setting tags, see
@@ -3484,6 +3484,9 @@ to @code{org-tags-column}.  When called with a @kbd{C-u} prefix, all
 tags in the current buffer will be aligned to that column, just to make
 things look nice.  TAGS are automatically realigned after promotion,
 demotion, and TODO state changes (@pxref{TODO basics}).
+@kindex C-c C-c
+@item C-c C-c
+When the cursor is in a headline, this does the same as @kbd{C-c C-q}.
 @end table
 
 Org will support tag insertion based on a @emph{list of tags}.  By

doc/orgcard.tex

@@ -539,8 +539,8 @@ after  ``{\tt :}'', and dictionary words elsewhere.
 
 \section{Tags}
 
-\key{set tags for current heading}{C-c C-c}
-\key{realign tags in all headings}{C-u C-c C-c}
+\key{set tags for current heading}{C-c C-q}
+\key{realign tags in all headings}{C-u C-c C-q}
 \key{create sparse tree with matching tags}{C-c \\}
 \key{globally (agenda) match tags at cursor}{C-c C-o}
 

lisp/org-agenda.el

@@ -1093,6 +1093,7 @@ The following commands are available:
 (org-defkey org-agenda-mode-map "t"        'org-agenda-todo)
 (org-defkey org-agenda-mode-map "a"        'org-agenda-toggle-archive-tag)
 (org-defkey org-agenda-mode-map ":"        'org-agenda-set-tags)
+(org-defkey org-agenda-mode-map "\C-c\C-q" 'org-agenda-set-tags)
 (org-defkey org-agenda-mode-map "."        'org-agenda-goto-today)
 (org-defkey org-agenda-mode-map "j"        'org-agenda-goto-date)
 (org-defkey org-agenda-mode-map "d"        'org-agenda-day-view)

lisp/org.el

@@ -9175,6 +9175,15 @@ If ONOFF is `on' or `off', don't toggle but set to this state."
 	  (org-move-to-column (min ncol col) t))
       (goto-char pos))))
 
+(defun org-set-tags-command (&optional arg just-align)
+  "Call the set-tags command for the current entry."
+  (interactive "P")
+  (if (org-on-heading-p)
+      (org-set-tags arg just-align)
+    (save-excursion
+      (org-back-to-heading t)
+      (org-set-tags arg just-align))))
+
 (defun org-set-tags (&optional arg just-align)
   "Set the tags for the current headline.
 With prefix ARG, realign all tags in headings in the current buffer."
@@ -12090,6 +12099,7 @@ The images can be removed again with \\[org-ctrl-c-ctrl-c]."
 (org-defkey org-mode-map "\C-c\C-xb" 'org-tree-to-indirect-buffer)
 (org-defkey org-mode-map "\C-c\C-j" 'org-goto)
 (org-defkey org-mode-map "\C-c\C-t" 'org-todo)
+(org-defkey org-mode-map "\C-c\C-q" 'org-set-tags-command)
 (org-defkey org-mode-map "\C-c\C-s" 'org-schedule)
 (org-defkey org-mode-map "\C-c\C-d" 'org-deadline)
 (org-defkey org-mode-map "\C-c;"    'org-toggle-comment)
@@ -12898,7 +12908,7 @@ See the individual commands for more information."
      ["Priority Up" org-shiftup t]
      ["Priority Down" org-shiftdown t])
     ("TAGS and Properties"
-     ["Set Tags" 'org-ctrl-c-ctrl-c (org-at-heading-p)]
+     ["Set Tags" 'org-set-tags-command t]
      ["Change tag in region" 'org-change-tag-in-region (org-region-active-p)]
      "--"
      ["Set property" 'org-set-property t]