Working with Jed just got better. I've finally figured out how to use TAGS with Dino Leonardo's ntags extension
When programming in Jed I can now hold the cursor over a function in the code and by just hitting Alt+. it quickly jumps to the definition of that function. This is great if you for example need to quickly find out how a function works and what the parameter options are without having to a) dig out where it is defined (which file) and b) dig out where in the file it's defined.