May I suggest the following solution as a lightweight code editor? Gedit with Gmate collection of plugins that make it look/act like the popular TextMate editor for Mac. If you just need to make a quick edit, Gedit is faster to load than Eclipse etc. If you turn off spellchecking and other unwanted Gedit plugins, the app will load very quickly.
I don't think that I will be needing a forum :P I merely need the time to investigate which package is causing the slowdown. Sublime needs 5-10 seconds, so I can live with it for now. But thank you anyway for the suggestion.
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