If you work with bazaar, you have seen its URIs. You can find the complete list is in the bzr help urlspec. Although I commonly use only a subset of that, like bzr+ssh://bazaar.launchpad.net/~maria-captains/maria/5.2-serg/ and http://bazaar.launchpad.net/%2Bbranch/mysql-server/5.5/.
In addition I often use Launchpad aliases, such as lp:~maria-captains/maria/5.3-serg/, lp:maria/5.3, and lp:869001.
And finally, there are common abbreviations that we have used in MySQL, and others that we use in MariaDB, for example bug#12345 and wl#90.
What’s annoying, I need to remember that wl#90 corresponds to http://askmonty.org/worklog/?tid=90 and type the latter in the location bar of the browser, when I want to look this task up. And lp:869001 is, for my browser, https://bugs.launchpad.net/bugs/869001. Similarly, every other URL above, has its browser-friendly evil twin. It’s evil, because I have to remember it!
Now, Firefox tries to help, to a certain extent. It supports so-called keywords — short aliases for bookmarks. Create a bookmark for https://bugs.launchpad.net/bugs/%s and in the Keyword field enter lp. Now you can type in the location bar lp 869001 (with a space) and Firefox will expand it into a complete url https://bugs.launchpad.net/bugs/869001. Quite handy. And I’ve used it for a few years. Still it annoyed me, that I had to rewrite the abbreviations manually, put spaces, remove colons, and so on. And at last it annoyed me to a degree where I wrote a Firefox plugin!