[TYPO3-mvc] BE module RTE usage

[Thomas Skierlo]

answering myself:

Another week lost looking for information which seem not to be available 
to the public. Learning extbase is the worst professional experience 
I've ever had. Probably my current problem is not even an extbase one, 
but a problem (or misunderstanding) of other, basic TYPO3 functionality. 
So you buy some books about extension development which either describe 
old-school ways to do thinks or leave you alone when it comes to the 
finishing touch.

I've never had a problem understanding MVC principles and I could 
understand every aspect of the blog_example extension upon first 
reading, but now I'm stuck and have exactly two choices: Do what most of 
the others do. Stick to 4.5LTS, spending my time for fixing outdated 
extensions and depreciation log entries, or move on to another CMS, 
which might focus on new technologies as well as proper documentations.

I am perfectly aware that my problem is a basic one for open source 
software. It is much more fun to write new and better code as it is to 
write documentation about it. But for the existence of TYPO3 this aspect 
might be vital -- or lethal.

What should one do if he or she understands MVC, Fluid, ViewHelpers, 
Partials and Validators and the nitty-gritty of PHP programming, but 
lacks information about essential BE usage?

I like the blog_example, because it's a real use case. But it stops in 
the middle. Or, to be more precise. It stops at the very same point 
where all other sample applications stop.

Where do I find information or sample code to get one step further? I 
tried to analyze other extensions, like "news", but my current problem 
is that the "news" BE module stopped working after an update within the 
4.6 branch (and I do not have the time now to fix it because I'm trying 
to learn extbase now).

Can anyone recommend a very basic extension from TER, with a working BE 
module which includes at least one RTE field?