version=3
opts=uversionmangle=s/([^\.\d]+)/\~$1/ \
https://addons.mozilla.org/en-US/thunderbird/addon/timeline/ \
https://addons.mozilla.org/thunderbird/downloads/file/\d+/timeline-(\d+(?:\.\d+){1,3}(?:\w+\d+)?)-\w+\.xpi\?src=dp-btn-\w+
