https://fuzzylogic.me/posts/flexible-tag-like-functionality-for-custom-keys-in-eleventy/
Flexible tag-like functionality for custom keys in Eleventy — Fuzzy Logic
Achieving tag-like functionality without using tags in Eleventy
custom keys
https://confluence.atlassian.com/bitbucketserver091/use-custom-jira-issue-keys-1443039038.html
Use custom Jira issue keys | Bitbucket Data Center 9.1 | Atlassian Documentation
bitbucket data center