Language-agnostic properly-tabbing code editors for Linux?

Question

I need a Linux text editor to replace Textpad 4.7.3 (a Windows nagware app), but all the alternatives I\'ve tried are either bloated or incomplete. Here are the features I find

Answer 1

Have you tried Kate? I'm not sure it complies with all your requirements, but it may. Also, for a more development oriented tool, you could try KDevelop, whose default editor is Kate (but you can change for any other editor implementing the KTextEditor interface)