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emacs: make "+" and "-" tagging operations in notmuch-search more flexible
Before the change, "+" and "-" tagging operations in notmuch-search
view accepted only a single tag. The patch makes them use the
recently added `notmuch-read-tag-changes' function (renamed
`notmuch-select-tags-with-completion'), which allows to enter multiple
tags with "+" and "-" prefixes. So after the change, "+" and "-"
bindings in notmuch-search view allow to both add and remove multiple
tags. The only difference between "+" and "-" is the minibuffer
initial input ("+" and "-" respectively).
This commit is contained in:
Dmitry Kurochkin
David Bremner
parent
b3eafaf725
commit
2beaefa2ec
1 changed files with 82 additions and 83 deletions
165
emacs/notmuch.el
165
emacs/notmuch.el
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@ -76,38 +76,56 @@ For example:
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(defvar notmuch-query-history nil
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"Variable to store minibuffer history for notmuch queries")
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(defun notmuch-tag-completions (&optional prefixes search-terms)
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(let ((tag-list
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(split-string
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(with-output-to-string
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(with-current-buffer standard-output
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(apply 'call-process notmuch-command nil t
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nil "search-tags" search-terms)))
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"\n+" t)))
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(if (null prefixes)
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tag-list
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(apply #'append
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(mapcar (lambda (tag)
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(mapcar (lambda (prefix)
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(concat prefix tag)) prefixes))
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tag-list)))))
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(defun notmuch-tag-completions (&optional search-terms)
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(split-string
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(with-output-to-string
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(with-current-buffer standard-output
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(apply 'call-process notmuch-command nil t
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nil "search-tags" search-terms)))
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"\n+" t))
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(defun notmuch-select-tag-with-completion (prompt &rest search-terms)
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(let ((tag-list (notmuch-tag-completions nil search-terms)))
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(let ((tag-list (notmuch-tag-completions search-terms)))
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(completing-read prompt tag-list)))
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(defun notmuch-select-tags-with-completion (prompt &optional prefixes &rest search-terms)
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(let ((tag-list (notmuch-tag-completions prefixes search-terms))
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(crm-separator " ")
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;; By default, space is bound to "complete word" function.
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;; Re-bind it to insert a space instead. Note that <tab>
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;; still does the completion.
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(crm-local-completion-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map crm-local-completion-map)
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(define-key map " " 'self-insert-command)
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map)))
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(delete "" (completing-read-multiple prompt tag-list))))
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(defun notmuch-read-tag-changes (&optional initial-input &rest search-terms)
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(let* ((all-tag-list (notmuch-tag-completions))
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(add-tag-list (mapcar (apply-partially 'concat "+") all-tag-list))
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(remove-tag-list (mapcar (apply-partially 'concat "-")
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(if (null search-terms)
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all-tag-list
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(notmuch-tag-completions search-terms))))
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(tag-list (append add-tag-list remove-tag-list))
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(crm-separator " ")
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;; By default, space is bound to "complete word" function.
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;; Re-bind it to insert a space instead. Note that <tab>
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;; still does the completion.
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(crm-local-completion-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map crm-local-completion-map)
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(define-key map " " 'self-insert-command)
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map)))
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(delete "" (completing-read-multiple "Tags (+add -drop): "
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tag-list nil nil initial-input))))
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(defun notmuch-update-tags (tags tag-changes)
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"Return a copy of TAGS with additions and removals from TAG-CHANGES.
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TAG-CHANGES must be a list of tags names, each prefixed with
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either a \"+\" to indicate the tag should be added to TAGS if not
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present or a \"-\" to indicate that the tag should be removed
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from TAGS if present."
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(let ((result-tags (copy-sequence tags)))
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(dolist (tag-change tag-changes)
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(let ((op (string-to-char tag-change))
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(tag (unless (string= tag-change "") (substring tag-change 1))))
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(case op
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(?+ (unless (member tag result-tags)
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(push tag result-tags)))
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(?- (setq result-tags (delete tag result-tags)))
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(otherwise
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(error "Changed tag must be of the form `+this_tag' or `-that_tag'")))))
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(sort result-tags 'string<)))
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(defun notmuch-foreach-mime-part (function mm-handle)
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(cond ((stringp (car mm-handle))
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@ -447,6 +465,10 @@ Complete list of currently available key bindings:
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"Return a list of threads for the current region"
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(notmuch-search-properties-in-region 'notmuch-search-thread-id beg end))
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(defun notmuch-search-find-thread-id-region-search (beg end)
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"Return a search string for threads for the current region"
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(mapconcat 'identity (notmuch-search-find-thread-id-region beg end) " or "))
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(defun notmuch-search-find-authors ()
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"Return the authors for the current thread"
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(get-text-property (point) 'notmuch-search-authors))
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@ -584,74 +606,53 @@ the messages that were tagged"
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(forward-line 1))
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output)))
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(defun notmuch-search-add-tag-thread (tag)
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(notmuch-search-add-tag-region tag (point) (point)))
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(defun notmuch-search-tag-thread (&rest tags)
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"Change tags for the currently selected thread.
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(defun notmuch-search-add-tag-region (tag beg end)
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(let ((search-id-string (mapconcat 'identity (notmuch-search-find-thread-id-region beg end) " or ")))
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(notmuch-tag search-id-string (concat "+" tag))
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See `notmuch-search-tag-region' for details."
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(apply 'notmuch-search-tag-region (point) (point) tags))
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(defun notmuch-search-tag-region (beg end &rest tags)
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"Change tags for threads in the given region.
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TAGS is a list of tag operations for `notmuch-tag'. The tags are
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added or removed for all threads in the region from BEG to END."
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(let ((search-string (notmuch-search-find-thread-id-region-search beg end)))
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(apply 'notmuch-tag search-string tags)
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(save-excursion
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(let ((last-line (line-number-at-pos end))
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(max-line (- (line-number-at-pos (point-max)) 2)))
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(goto-char beg)
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(while (<= (line-number-at-pos) (min last-line max-line))
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(notmuch-search-set-tags (delete-dups (sort (cons tag (notmuch-search-get-tags)) 'string<)))
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(notmuch-search-set-tags
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(notmuch-update-tags (notmuch-search-get-tags) tags))
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(forward-line))))))
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(defun notmuch-search-remove-tag-thread (tag)
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(notmuch-search-remove-tag-region tag (point) (point)))
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(defun notmuch-search-tag (&optional initial-input)
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"Change tags for the currently selected thread or region."
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(interactive)
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(let* ((beg (if (region-active-p) (region-beginning) (point)))
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(end (if (region-active-p) (region-end) (point)))
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(search-string (notmuch-search-find-thread-id-region-search beg end))
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(tags (notmuch-read-tag-changes initial-input search-string)))
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(apply 'notmuch-search-tag-region beg end tags)))
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(defun notmuch-search-remove-tag-region (tag beg end)
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(let ((search-id-string (mapconcat 'identity (notmuch-search-find-thread-id-region beg end) " or ")))
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(notmuch-tag search-id-string (concat "-" tag))
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(save-excursion
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(let ((last-line (line-number-at-pos end))
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(max-line (- (line-number-at-pos (point-max)) 2)))
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(goto-char beg)
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(while (<= (line-number-at-pos) (min last-line max-line))
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(notmuch-search-set-tags (delete tag (notmuch-search-get-tags)))
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(forward-line))))))
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(defun notmuch-search-add-tag ()
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"Same as `notmuch-search-tag' but sets initial input to '+'."
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(interactive)
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(notmuch-search-tag "+"))
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(defun notmuch-search-add-tag (tag)
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"Add a tag to the currently selected thread or region.
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The tag is added to all messages in the currently selected thread
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or threads in the current region."
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(interactive
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(list (notmuch-select-tag-with-completion "Tag to add: ")))
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(save-excursion
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(if (region-active-p)
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(let* ((beg (region-beginning))
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(end (region-end)))
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(notmuch-search-add-tag-region tag beg end))
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(notmuch-search-add-tag-thread tag))))
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(defun notmuch-search-remove-tag (tag)
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"Remove a tag from the currently selected thread or region.
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The tag is removed from all messages in the currently selected
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thread or threads in the current region."
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(interactive
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(list (notmuch-select-tag-with-completion
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"Tag to remove: "
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(if (region-active-p)
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(mapconcat 'identity
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(notmuch-search-find-thread-id-region (region-beginning) (region-end))
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" ")
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(notmuch-search-find-thread-id)))))
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(save-excursion
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(if (region-active-p)
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(let* ((beg (region-beginning))
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(end (region-end)))
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(notmuch-search-remove-tag-region tag beg end))
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(notmuch-search-remove-tag-thread tag))))
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(defun notmuch-search-remove-tag ()
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"Same as `notmuch-search-tag' but sets initial input to '-'."
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(interactive)
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(notmuch-search-tag "-"))
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(defun notmuch-search-archive-thread ()
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"Archive the currently selected thread (remove its \"inbox\" tag).
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This function advances the next thread when finished."
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(interactive)
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(notmuch-search-remove-tag-thread "inbox")
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(notmuch-search-tag-thread "-inbox")
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(notmuch-search-next-thread))
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(defvar notmuch-search-process-filter-data nil
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@ -886,9 +887,7 @@ will prompt for tags to be added or removed. Tags prefixed with
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Each character of the tag name may consist of alphanumeric
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characters as well as `_.+-'.
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"
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(interactive (notmuch-select-tags-with-completion
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"Operations (+add -drop): notmuch tag "
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'("+" "-")))
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(interactive (notmuch-read-tag-changes))
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(apply 'notmuch-tag notmuch-search-query-string actions))
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(defun notmuch-search-buffer-title (query)
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