How to cleanup outdated TYPO3 development projects

During development of different TYPO3 projects I've forgotten to clean up the development directory regularly. So, after a while I even forgot which TYPO3 version was used by each project. To see the target of the source symlink the find command is very useful. The following gist snippet is a reminder to myself and maybe it's even useful for you!
Multi language/domain setup with RealURL - revised

The development of RealURL has made great progress and after the latest comment on an older article I decided to review the setup of a multilingual site with TYPO3.
The setup must meet two major objectives: language switching by domain, a proper language switching menu with properly encoded page paths.
Note, that this setup follows a very basic approach which don't include any configuration for extensions or special requirements.
TYPO3 multi language & multi domain site with RealURL and language menu
This is a step-by-step tutorial which describes in detail how to setup TYPO3 for a multilingual website with "domain language switching". It will describe how to properly configure RealURL, extend it's configuration with simple PHP statements in the RealURL configuration file and last but not least, probably the most important thing: the language switch menu with cross domain support.
I started with a clean TYPO3 installation and created two page trees in order to test the setup in a multiple page tree setup. Therefore I defined that on my local Linux box typo3-ml.local listens to the default language, while typo3-ml-en.local and typo3-ml-it.local - you guessed it - listens to the english and italian language versions of the page tree.
Note: This article is deprecated. Please see the latest comments. I'll post a follow-up as soon as possible!
How to enable custom tags in TYPO3 RTE
I think it's time for a new article and I done this research a long time ago. It's very tricky to enable custom tags for your TYPO3 instance because you have to do some magic things in the page TSconfig and also via TypoScript.
I've done this because I saw a need for it in a clients old website where someone enables the RTE image plugin which allows to insert some star graphics for the hotel's category. Because I thought that enabling the image plugin for the RTE is a bad idea I've done a little research and try-and-error how to achieve this with mighty mighty TypoScript'ing.
Quick note about adding TYPO3 extension as a library
During developing a little TYPO3 extension currently I chose the option "Just include library" in the extension kickstarter. During development all went fine but after intergrating the extension on the production site, I couldn't get it up and running.
This short note about a failure which can cause many minutes of debugging should help you and me in the future to not forget to include the necessary TypoScript setup to make that thing work.

