#3313 - Add more LEGACY markers to code

Identifier #3313
Issue type Feature request or suggestion
Title Add more LEGACY markers to code
Status Completed
Handling member Chris Graham
Addon core
Description In order to keep our code clean over time, it's important to remove outdated stuff that only existed for legacy purposes. To do that without missing stuff we should mark such code.

Go through the code and add LEGACY markers to many cases of:
- Upgrade code
- IE hacks
- Firefox/Mozilla hacks
- Safari hacks
- Chrome hacks
- Opera hacks
- Polyfill includes
- Fallbacks around function_exists
Steps to reproduce

Funded? No
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Rating

Unrated