Do I understand it correctly that ctags does not provide auto completion functionality? What I mean is that when I for example have an stl vector in c++ called 'point' and I type 'point.', hit ctrl-space and can choose getX() and getY() as result or something like that?
Re: Ctags is not for auto-completion, right?
Yes, ctags is not for auto-completion. Ctags creates a tag list of all symbols, so you can set the cursor on a symbol, for example a function name or a global variable or a define, and use Search - Find Symbol to get directly to the location, where the symbol is defined. See help of UE about auto-completion for details about it.
Best regards from an UC/UE/UES for Windows user from Austria