Footnotes are used to keep comments, descriptions, and attachments associated with a task in the markdown.
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Obtain a JSON dump of your Todoist account from Export for Todoist by Darek Kay under the MIT License
Run the script:
python parse_todoist.py <json_file>
To download attachments, install Full Offline Backup for Todoist by joanbm under the GNU General Public License v3.0
Clone the repo and install it with pip install -e ./full-offline-backup-for-todoist
Copy creds.sample.json to creds.json and edit with your Todoist information.
Run the parse_todoist.py script again and it will download the attachments this time. If you run the script after having already downloaded attachments, make sure to delete the attachments folder first so that it doesn't contain duplicates.