Requests for comment/Magic expressions

Background
It is well known that the Magic words are very popular, but one often is not easy to use and have performance problems. This issue was discussed here and it was decided in favour of the Scribunto extension. I'm sure it can not be the sole true solution.

Another way
It seems that it was the first way. I just now saw the extension WikiScripts. I have not seen the code, but the description is very similar to what I did. I call it magic expression.

The problem with magic occurs only when one trying to be like an expression. Magic expression is the magic words in a scripting expression. This makes the magic words user-friendly and easier for the extension developers.

Several times I did refactoring the code, and has achieved excellent results.