denote-org: Extensions to better integrate Org with Denote

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denote-org: Extensions to better integrate Org with Denote

Copyright (C) 2022-2025 Free Software Foundation, Inc.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with the Front-Cover Texts being “A GNU Manual,” and with the Back-Cover Texts as in (a) below. A copy of the license is included in the section entitled “GNU Free Documentation License.”

(a) The FSF’s Back-Cover Text is: “You have the freedom to copy and modify this GNU manual.”

This manual, written by Protesilaos Stavrou, describes the customization options for the Emacs package called denote (or ‘denote.el’), and provides every other piece of information pertinent to it.

The documentation furnished herein corresponds to stable version 0.0.0, released on N/A. Any reference to a newer feature which does not yet form part of the latest tagged commit, is explicitly marked as such.

Current development target is 0.1.0-dev.

If you are viewing the README.org version of this file, please note that the GNU ELPA machinery automatically generates an Info manual out of it.


1 Overview

The denote-org package contains extra features that better integrate Denote with Org mode. These used to be available as part of the main denote package in a file called ‘denote-org-extras.el’, but now live in this standalone package to main things easier to maintain and understand.

With denote-org, users have Org-specific extensions such as dynamic blocks, links to headings, and splitting an Org subtree into its own standalone file. The following sections cover the technicalities.


2 Use Org dynamic blocks

Denote can optionally integrate with Org mode’s “dynamic blocks” facility. This means that it can use special blocks that are evaluated with ‘C-c C-x C-u’ (org-dblock-update) to generate their contents. The following subsections describe the types of Org dynamic blocks provided by Denote.

A dynamic block gets its contents by evaluating a function that corresponds to the type of block. The block type and its parameters are stated in the opening ‘#+BEGIN’ line. Typing ‘C-c C-x C-u’ (org-dblock-update) with point on that line runs (or re-runs) the associated function with the given parameters and populates the block’s contents accordingly.

Dynamic blocks are particularly useful for metanote entries that reflect on the status of earlier notes (read the Denote manual’s section about writing metanotes).

The Org manual describes the technicalities of Dynamic Blocks. Evaluate:

(info "(org) Dynamic Blocks")

2.4 Org dynamic block to insert file contents

Denote can optionally use Org’s dynamic blocks facility to produce a section that lists entire file contents (Use Org dynamic blocks). This works by instructing Org to match a regular expression of Denote files, the same way we do with Denote links (read the Denote manual’s section about inserting links that match a regular expression).

This is useful to, for example, compile a dynamically concatenated list of scattered thoughts on a given topic, like ‘^2023.*_emacs’ for a long entry that incorporates all the notes written in 2023 with the keyword ‘emacs’.

To produce such a block, call the command denote-org-dblock-insert-files or manually write the following block in an Org file and then type ‘C-c C-x C-u’ (org-dblock-update) on the ‘#+BEGIN’ line to run it (do it again to recalculate the block):

#+BEGIN: denote-files :regexp "YOUR REGEXP HERE" :not-regexp nil :sort-by-component nil :reverse-sort nil :no-front-matter nil :file-separator nil :add-links nil

#+END:

All parameters are optional except for ‘:regexp’.

The ‘denote-files’ block is also registered as an option for the command org-dynamic-block-insert-dblock.

Remember to type ‘C-c C-x C-u’ (org-dblock-update) with point on the ‘#+BEGIN’ line to update the block.

To fully control the output, include these additional optional parameters, which are described further below:

  • The ‘:regexp’ parameter is mandatory. Its value is a string, representing a regular expression to match Denote file names. Its value may also be an rx expression instead of a string, as noted in the previous section (Org dynamic blocks to insert links or backlinks). Note that you do not need to write an actual regular expression to get meaningful results: even something like ‘_journal’ will work to include all files that have a ‘journal’ keyword.
  • The ‘:not-regexp’ parameter is optional. It is a regular expression that applies after ‘:regexp’ to filter out the matching files. [ Part of 0.1.0-dev. ]
  • The ‘:excluded-dirs-regexp’ is a string that contains a word or regular expression that matches against directory files names to-be-excluded from the results. This has the same meaning as setting the denote-excluded-directories-regexp user option (which is part of the main denote package). The user option has a global effect, which is overridden locally in the dynamic block. When the value of ‘:excluded-dirs-regexp’ is nil (the default), the value of denote-excluded-directories-regexp is used (which is also nil by default, meaning that all directories are included). When the value of ‘excluded-dirs-regexp’ is t or some other symbol, then the denote-excluded-directories-regexp is ignored altogether. This is useful in the scenario where the user option is set to exclude some directories but the dynamic blocks wants to lift that restriction.
  • The ‘:sort-by-component’ parameter is optional. It sorts the files by the given Denote file name component. The value it accepts is an unquoted symbol among ‘title’, ‘keywords’, ‘signature’, ‘identifier’. When using the command denote-org-dblock-insert-files, this parameter is automatically inserted together with the (‘:regexp’ parameter) and the user is prompted for a file name component.
  • The ‘:reverse-sort’ parameter is optional. It reverses the order in which files appear in. This is meaningful even without the presence of the parameter ‘:sort-by-component’, though it also combines with it.
  • The ‘:file-separator’ parameter is optional. If it is omitted, then Denote will use no separator between the files it inserts. If the value is t the denote-org-dblock-file-contents-separator is applied at the end of each file: it introduces some empty lines and a horizontal rule between them to visually distinguish individual files. If the ‘:file-separator’ value is a string, it is used as the file separator (e.g. use ‘"\n"’ to insert just one empty new line).
  • The ‘:no-front-matter’ parameter is optional. When set to a t value, Denote tries to remove front matter from the files it is inserting in the dynamic block. The technique used to perform this operation is by removing all lines from the top of the file until the first empty line. This works with the default front matter that Denote adds, but is not 100% reliable with all sorts of user-level modifications and edits to the file. When the ‘:no-front-matter’ is set to a natural number, Denote will omit that many lines from the top of the file.
  • The ‘:add-links’ parameter is optional. When it is set to a t value, all files are inserted as a typographic list and are indented accordingly. The first line in each list item is a link to the file whose contents are inserted in the following lines. When the value is ‘id-only’, then links are inserted without a description text but only with the identifier of the given file. This has the same meaning as with the denote-link command and related facilities (those are explained at length in the Denote manual). Remember that Org can fold the items in a typographic list the same way it does with headings. So even long files can be presented in this format without much trouble.
  • An optional ‘:block-name’ parameter can be specified with a string value to add a ‘#+name’ to the results. This is useful for further processing using Org facilities (a feature that is outside Denote’s purview).

2.5 Org dynamic block to insert Org files as headings

[ IMPORTANT NOTE: This dynamic block only works with Org files, because it has to assume the Org notation in order to insert each file’s contents as its own heading. ]

As a variation of the previously covered block that inserts file contents, we have the denote-org-dblock-insert-files-as-headings command (Org dynamic block to insert file contents). It Turn the ‘#+title’ of each file into a top-level heading. Then it increments all original headings in the file by one, so that they become subheadings of what once was the ‘#+title’. Similarly, the ‘#+filetags’ of each file as tags for the top-level heading (what was the ‘#+title’).

Because of how it is meant to work, this dynamic block only works with Org files.

In its simplest form, this dynamic block looks like this, with ‘:regexp’ as the only mandatory parameter:

#+BEGIN: denote-files-as-headings :regexp "YOUR REGEXP HERE"

#+END:

Though when you use the command denote-org-dblock-insert-files-as-headings you get all the parameters included:

#+BEGIN: denote-files-as-headings :regexp "YOUR REGEXP HERE" :not-regexp nil :excluded-dirs-regexp nil :sort-by-component title :reverse-sort nil :add-links t

#+END:
  • The ‘:regexp’ parameter is mandatory. Its value is a string, representing a regular expression to match Denote file names. Its value may also be an rx expression instead of a string, as noted in the previous section (Org dynamic blocks to insert links or backlinks). Note that you do not need to write an actual regular expression to get meaningful results: even something like ‘_journal’ will work to include all files that have a ‘journal’ keyword.
  • The ‘:not-regexp’ parameter is optional. It is a regular expression that applies after ‘:regexp’ to filter out the matching files. [ Part of 0.1.0-dev. ]
  • The ‘:excluded-dirs-regexp’ is a string that contains a word or regular expression that matches against directory files names to-be-excluded from the results. This has the same meaning as setting the denote-excluded-directories-regexp user option (which is part of the main denote package)). The user option has a global effect, which is overridden locally in the dynamic block. When the value of ‘:excluded-dirs-regexp’ is nil (the default), the value of denote-excluded-directories-regexp is used (which is also nil by default, meaning that all directories are included). When the value of ‘excluded-dirs-regexp’ is t or some other symbol, then the denote-excluded-directories-regexp is ignored altogether. This is useful in the scenario where the user option is set to exclude some directories but the dynamic blocks wants to lift that restriction.
  • The ‘:sort-by-component’ parameter is optional. It sorts the files by the given Denote file name component. The value it accepts is an unquoted symbol among ‘title’, ‘keywords’, ‘signature’, ‘identifier’. When using the command denote-org-dblock-insert-files, this parameter is automatically inserted together with the (‘:regexp’ parameter) and the user is prompted for a file name component.
  • The ‘:reverse-sort’ parameter is optional. It reverses the order in which files appear in. This is meaningful even without the presence of the parameter ‘:sort-by-component’, though it also combines with it.
  • The ‘:add-links’ parameter is optional. When it is set to a t value, all the top-level headings (those that were the ‘#+title’ of each file) are generated as links, pointing to the original file. This has the same meaning as with the denote-link command and related facilities (those are explained at length in the Denote manual).
  • An optional ‘:block-name’ parameter can be specified with a string value to add a ‘#+name’ to the results. This is useful for further processing using Org facilities (a feature that is outside Denote’s purview).

3 Create a note from the current Org subtree

In Org parlance, an entry with all its subheadings and other contents is a “subtree”. Denote can operate on the subtree to extract it from the current file and create a new file out of it. One such workflow is to collect thoughts in a single document and produce longer standalone notes out of them upon review.

The command denote-org-extract-org-subtree is used for this purpose. It creates a new Denote note using the current Org subtree. In doing so, it removes the subtree from its current file and moves its contents into a new file. This command is part of the optional ‘denote-org.el’ extension, which is part of the denote package. It is loaded automatically as soon as one of its commands is invoked.

The text of the subtree’s heading becomes the ‘#+title’ of the new note. Everything else is inserted as-is.

If the heading has any tags, they are used as the keywords of the new note. If the Org file has any ‘#+filetags’ they are taken as well (Org’s ‘#+filetags’ are inherited by the headings). If none of these are true and the user option denote-prompts includes an entry for keywords, then denote-org-extract-org-subtree prompts for keywords. Else the new note has no keywords.

If the heading has a ‘PROPERTIES’ drawer, it is retained for further review.

If the heading’s ‘PROPERTIES’ drawer includes a ‘DATE’ or ‘CREATED’ property, or there exists a ‘CLOSED’ statement with a timestamp value, use that to derive the date (or date and time) of the new note (if there is only a date, the time is taken as 00:00). If more than one of these is present, the order of preference is ‘DATE’, then ‘CREATED’, then ‘CLOSED’. If none of these is present, the current time is used. If the denote-prompts includes an entry for a date, then the command prompts for a date at this stage (also see denote-date-prompt-use-org-read-date).

For the rest, it consults the value of the user option denote-prompts in the following scenaria:

The new note is an Org file regardless of the user option denote-file-type.


6 Installation


6.1 GNU ELPA package

The package is available as ‘denote-org’. Simply do:

M-x package-refresh-contents
M-x package-install

And search for it.

GNU ELPA provides the latest stable release. Those who prefer to follow the development process in order to report bugs or suggest changes, can use the version of the package from the GNU-devel ELPA archive. Read: https://protesilaos.com/codelog/2022-05-13-emacs-elpa-devel/.


Previous: , Up: Installation   [Index]

6.2 Manual installation

Assuming your Emacs files are found in ‘~/.emacs.d/’, execute the following commands in a shell prompt:

cd ~/.emacs.d

# Create a directory for manually-installed packages
mkdir manual-packages

# Go to the new directory
cd manual-packages

# Clone this repo, naming it "denote-org"
git clone https://github.com/protesilaos/denote-org denote-org

Finally, in your ‘init.el’ (or equivalent) evaluate this:

;; Make Elisp files in that directory available to the user.
(add-to-list 'load-path "~/.emacs.d/manual-packages/denote-org")

Everything is in place to set up the package.


7 Sample configuration

(use-package denote-org
  :ensure t
  :command
  ;; I list the commands here so that you can discover them more
  ;; easily.  You might want to bind the most frequently used ones to
  ;; the `org-mode-map'.
  ( denote-org-link-to-heading
    denote-org-backlinks-for-heading

    denote-org-extract-org-subtree

    denote-org-convert-links-to-file-type
    denote-org-convert-links-to-denote-type

    denote-org-dblock-insert-files
    denote-org-dblock-insert-links
    denote-org-dblock-insert-backlinks
    denote-org-dblock-insert-missing-links
    denote-org-dblock-insert-files-as-headings))

8 Acknowledgements

Denote Org is meant to be a collective effort. Every bit of help matters.

Author/maintainer

Protesilaos Stavrou.


Appendix A GNU Free Documentation License

Version 1.3, 3 November 2008
Copyright © 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
https://fsf.org/

Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
  1. PREAMBLE

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  5. MODIFICATIONS

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  7. COLLECTIONS OF DOCUMENTS

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  9. TRANSLATION

    Translation is considered a kind of modification, so you may distribute translations of the Document under the terms of section 4. Replacing Invariant Sections with translations requires special permission from their copyright holders, but you may include translations of some or all Invariant Sections in addition to the original versions of these Invariant Sections. You may include a translation of this License, and all the license notices in the Document, and any Warranty Disclaimers, provided that you also include the original English version of this License and the original versions of those notices and disclaimers. In case of a disagreement between the translation and the original version of this License or a notice or disclaimer, the original version will prevail.

    If a section in the Document is Entitled “Acknowledgements”, “Dedications”, or “History”, the requirement (section 4) to Preserve its Title (section 1) will typically require changing the actual title.

  10. TERMINATION

    You may not copy, modify, sublicense, or distribute the Document except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense, or distribute it is void, and will automatically terminate your rights under this License.

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  11. FUTURE REVISIONS OF THIS LICENSE

    The Free Software Foundation may publish new, revised versions of the GNU Free Documentation License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. See https://www.gnu.org/licenses/.

    Each version of the License is given a distinguishing version number. If the Document specifies that a particular numbered version of this License “or any later version” applies to it, you have the option of following the terms and conditions either of that specified version or of any later version that has been published (not as a draft) by the Free Software Foundation. If the Document does not specify a version number of this License, you may choose any version ever published (not as a draft) by the Free Software Foundation. If the Document specifies that a proxy can decide which future versions of this License can be used, that proxy’s public statement of acceptance of a version permanently authorizes you to choose that version for the Document.

  12. RELICENSING

    “Massive Multiauthor Collaboration Site” (or “MMC Site”) means any World Wide Web server that publishes copyrightable works and also provides prominent facilities for anybody to edit those works. A public wiki that anybody can edit is an example of such a server. A “Massive Multiauthor Collaboration” (or “MMC”) contained in the site means any set of copyrightable works thus published on the MMC site.

    “CC-BY-SA” means the Creative Commons Attribution-Share Alike 3.0 license published by Creative Commons Corporation, a not-for-profit corporation with a principal place of business in San Francisco, California, as well as future copyleft versions of that license published by that same organization.

    “Incorporate” means to publish or republish a Document, in whole or in part, as part of another Document.

    An MMC is “eligible for relicensing” if it is licensed under this License, and if all works that were first published under this License somewhere other than this MMC, and subsequently incorporated in whole or in part into the MMC, (1) had no cover texts or invariant sections, and (2) were thus incorporated prior to November 1, 2008.

    The operator of an MMC Site may republish an MMC contained in the site under CC-BY-SA on the same site at any time before August 1, 2009, provided the MMC is eligible for relicensing.

ADDENDUM: How to use this License for your documents

To use this License in a document you have written, include a copy of the License in the document and put the following copyright and license notices just after the title page:

  Copyright (C)  year  your name.
  Permission is granted to copy, distribute and/or modify this document
  under the terms of the GNU Free Documentation License, Version 1.3
  or any later version published by the Free Software Foundation;
  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
  Texts.  A copy of the license is included in the section entitled ``GNU
  Free Documentation License''.

If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replace the “with…Texts.” line with this:

    with the Invariant Sections being list their titles, with
    the Front-Cover Texts being list, and with the Back-Cover Texts
    being list.

If you have Invariant Sections without Cover Texts, or some other combination of the three, merge those two alternatives to suit the situation.

If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software.


B Indices


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B.2 Variable index

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Index Entry  Section

D
denote-org-dblock-file-contents-separator: Org dynamic block to insert file contents

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B.3 Concept index

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Index Entry  Section

C
Contributors: Acknowledgements

I
Installation instructions: Installation

P
Package configuration: Sample configuration

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