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Fix tags completion 

* lisp/org.el (org-tags-completion-function): Refactor function. Fix
  tag completion.

Reported-by: Alain.Cochard@unistra.fr
<http://lists.gnu.org/r/emacs-orgmode/2018-05/msg00450.html>
This commit is contained in:
Nicolas Goaziou 2018-05-27 22:13:00 +02:00
parent 97fb642a64
commit c698c8e959
1 changed files with 24 additions and 23 deletions
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47
lisp/org.el
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@ -14459,29 +14459,30 @@ This works in the agenda, and also in an Org buffer."
(message "Tag :%s: %s in %d headings" tag (if off "removed" "set") cnt)))
(defun org-tags-completion-function (string _predicate &optional flag)
(let (s1 s2 rtn (ctable org-last-tags-completion-table)
(confirm (lambda (x) (stringp (car x)))))
(if (string-match "^\\(.*[-+:&,|]\\)\\([^-+:&,|]*\\)$" string)
(setq s1 (match-string 1 string)
s2 (match-string 2 string))
(setq s1 "" s2 string))
(cond
((eq flag nil)
;; try completion
(setq rtn (try-completion s2 ctable confirm))
(when (stringp rtn)
(setq rtn
(concat s1 s2 (substring rtn (length s2))
(if (and org-add-colon-after-tag-completion
(assoc rtn ctable))
":" ""))))
rtn)
((eq flag t)
;; all-completions
(all-completions s2 ctable confirm))
((eq flag 'lambda)
;; exact match?
(assoc s2 ctable)))))
"Complete tag STRING.
FLAG specifies the type of completion operation to perform. This
function is passed as a collection function to `completing-read',
which see."
(let ((completion-ignore-case nil) ;tags are case-sensitive
(confirm (lambda (x) (stringp (car x))))
(prefix ""))
(when (string-match "^\\(.*[-+:&,|]\\)\\([^-+:&,|]*\\)$" string)
(setq prefix (match-string 1 string))
(setq string (match-string 2 string)))
(pcase flag
(`t (all-completions string org-last-tags-completion-table confirm))
(`lambda (assoc string org-last-tags-completion-table)) ;exact match?
(`nil
(pcase (try-completion string org-last-tags-completion-table confirm)
((and completion (pred stringp))
(concat prefix
completion
(if (and org-add-colon-after-tag-completion
(assoc completion org-last-tags-completion-table))
":"
"")))
(completion completion)))
(_ nil))))
(defun org-fast-tag-insert (kwd tags face &optional end)
"Insert KWD, and the TAGS, the latter with face FACE.