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* contrib/lisp/ox-confluence.el (org-confluence-table-cell): Add blank space in an empty table cell such that Confluence tables do not skip empty entries and produce erroneous table headers. Confluence tables are formatted incorrectly when empty cells cause `||' to generate the next cell as a table header, skipping the empty cell. Empty cells must be formatted as `| |'. TINYCHANGE
229 lines
8 KiB
EmacsLisp
229 lines
8 KiB
EmacsLisp
;;; ox-confluence --- Confluence Wiki Back-End for Org Export Engine
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;; Copyright (C) 2012, 2014 Sébastien Delafond
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;; Author: Sébastien Delafond <sdelafond@gmail.com>
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;; Keywords: outlines, confluence, wiki
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;; This file is not part of GNU Emacs.
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;; This program is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;; ox-confluence.el lets you convert Org files to confluence files
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;; using the ox.el export engine.
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;;
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;; Put this file into your load-path and the following into your ~/.emacs:
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;; (require 'ox-confluence)
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;;
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;; Export Org files to confluence:
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;; M-x org-confluence-export-as-confluence RET
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;;
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;;; Code:
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(require 'ox)
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(require 'ox-ascii)
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;; Define the backend itself
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(org-export-define-derived-backend 'confluence 'ascii
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:translate-alist '((bold . org-confluence-bold)
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(example-block . org-confluence-example-block)
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(fixed-width . org-confluence-fixed-width)
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(footnote-definition . org-confluence-empty)
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(footnote-reference . org-confluence-empty)
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(headline . org-confluence-headline)
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(italic . org-confluence-italic)
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(item . org-confluence-item)
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(link . org-confluence-link)
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(paragraph . org-confluence-paragraph)
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(property-drawer . org-confluence-property-drawer)
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(section . org-confluence-section)
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(src-block . org-confluence-src-block)
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(strike-through . org-confluence-strike-through)
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(table . org-confluence-table)
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(table-cell . org-confluence-table-cell)
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(table-row . org-confluence-table-row)
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(template . org-confluence-template)
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(timestamp . org-confluence-timestamp)
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(underline . org-confluence-underline)))
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(defcustom org-confluence-lang-alist
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'(("sh" . "bash"))
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"Map from org-babel language name to confluence wiki language name"
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:type '(alist :key-type string :value-type string))
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;; All the functions we use
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(defun org-confluence-bold (bold contents info)
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(format "*%s*" contents))
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(defun org-confluence-empty (empty contents info)
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"")
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(defun org-confluence-example-block (example-block contents info)
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;; FIXME: provide a user-controlled variable for theme
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(let ((content (org-export-format-code-default example-block info)))
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(org-confluence--block "none" "Confluence" content)))
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(defun org-confluence-italic (italic contents info)
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(format "_%s_" contents))
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(defun org-confluence-item (item contents info)
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(concat (make-string (1+ (org-confluence--li-depth item)) ?\-)
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" "
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(org-trim contents)))
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(defun org-confluence-fixed-width (fixed-width contents info)
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(format "\{\{%s\}\}" contents))
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(defun org-confluence-headline (headline contents info)
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(let* ((low-level-rank (org-export-low-level-p headline info))
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(text (org-export-data (org-element-property :title headline)
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info))
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(todo (org-export-data (org-element-property :todo-keyword headline)
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info))
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(level (org-export-get-relative-level headline info))
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(todo-text (if (or (not (plist-get info :with-todo-keywords))
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(string= todo ""))
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""
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(format "*{{%s}}* " todo))))
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;; Else: Standard headline.
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(format "h%s. %s%s\n%s" level todo-text text
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(if (org-string-nw-p contents) contents ""))))
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(defun org-confluence-link (link desc info)
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(let ((raw-link (org-element-property :raw-link link)))
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(concat "["
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(when (org-string-nw-p desc) (format "%s|" desc))
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(cond
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((string-match "^confluence:" raw-link)
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(replace-regexp-in-string "^confluence:" "" raw-link))
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(t
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raw-link))
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"]")))
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(defun org-confluence-paragraph (paragraph contents info)
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"Transcode PARAGRAPH element for Confluence.
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CONTENTS is the paragraph contents. INFO is a plist used as
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a communication channel."
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contents)
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(defun org-confluence-property-drawer (property-drawer contents info)
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(and (org-string-nw-p contents)
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(format "\{\{%s\}\}" contents)))
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(defun org-confluence-section (section contents info)
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contents)
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(defun org-confluence-src-block (src-block contents info)
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;; FIXME: provide a user-controlled variable for theme
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(let* ((lang (org-element-property :language src-block))
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(language (or (cdr (assoc lang org-confluence-lang-alist)) lang))
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(content (org-export-format-code-default src-block info)))
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(org-confluence--block language "Emacs" content)))
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(defun org-confluence-strike-through (strike-through contents info)
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(format "-%s-" contents))
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(defun org-confluence-table (table contents info)
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contents)
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(defun org-confluence-table-row (table-row contents info)
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(concat
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(if (org-string-nw-p contents) (format "|%s" contents)
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"")
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(when (org-export-table-row-ends-header-p table-row info)
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"|")))
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(defun org-confluence-table-cell (table-cell contents info)
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(let ((table-row (org-export-get-parent table-cell)))
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(concat (and (org-export-table-row-starts-header-p table-row info) "|")
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(if (= (length contents) 0) " " contents)
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"|")))
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(defun org-confluence-template (contents info)
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(let ((depth (plist-get info :with-toc)))
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(concat (when depth "\{toc\}\n\n") contents)))
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(defun org-confluence-timestamp (timestamp _contents _info)
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"Transcode a TIMESTAMP object from Org to Confluence.
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CONTENTS and INFO are ignored."
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(let ((translated (org-timestamp-translate timestamp)))
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(if (string-prefix-p "[" translated)
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(concat "(" (substring translated 1 -1) ")")
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translated)))
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(defun org-confluence-underline (underline contents info)
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(format "+%s+" contents))
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(defun org-confluence--block (language theme contents)
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(concat "\{code:theme=" theme
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(when language (format "|language=%s" language))
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"}\n"
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contents
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"\{code\}\n"))
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(defun org-confluence--li-depth (item)
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"Return depth of a list item; -1 means not a list item"
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;; FIXME check whether it's worth it to cache depth
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;; (it gets recalculated quite a few times while
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;; traversing a list)
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(let ((depth -1)
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(tag))
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(while (and item
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(setq tag (car item))
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(or (eq tag 'item) ; list items interleave with plain-list
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(eq tag 'plain-list)))
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(when (eq tag 'item)
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(incf depth))
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(setq item (org-export-get-parent item)))
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depth))
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;; main interactive entrypoint
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(defun org-confluence-export-as-confluence
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(&optional async subtreep visible-only body-only ext-plist)
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"Export current buffer to a text buffer.
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If narrowing is active in the current buffer, only export its
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narrowed part.
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If a region is active, export that region.
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A non-nil optional argument ASYNC means the process should happen
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asynchronously. The resulting buffer should be accessible
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through the `org-export-stack' interface.
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When optional argument SUBTREEP is non-nil, export the sub-tree
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at point, extracting information from the headline properties
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first.
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When optional argument VISIBLE-ONLY is non-nil, don't export
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contents of hidden elements.
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When optional argument BODY-ONLY is non-nil, strip title, table
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of contents and footnote definitions from output.
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EXT-PLIST, when provided, is a property list with external
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parameters overriding Org default settings, but still inferior to
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file-local settings.
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Export is done in a buffer named \"*Org CONFLUENCE Export*\", which
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will be displayed when `org-export-show-temporary-export-buffer'
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is non-nil."
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(interactive)
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(org-export-to-buffer 'confluence "*org CONFLUENCE Export*"
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async subtreep visible-only body-only ext-plist (lambda () (text-mode))))
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(provide 'ox-confluence)
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