There are four 'index.html's, I don't know which to click!

Another idea for a text editor/IDE feature along the lines of my previous suggestion on keeping track of things when programming: where you've got files from two or more different projects open at once (happens a lot for me as clients phone in asking for quick changes), why not colour-code the file tabs based on the project they're in? With a colour-blind brother I'm aware that colour-coding can be awkward, so perhaps some other visual aid should be added too, such as a simple number/abbreviation/symbol in front of the file name to further differentiate. Here's an idea with the colours based on RadRails (sorry, for a quick idea in a blog post you don't get the symbols too): Assign each project a colour and symbol as you create it and in theory at least you can then more easily tell which of the two tabs labelled'application_controller.rb' it is you want to click on. It would certainly be easier than either clicking