One less red link in Haskell Basics

Hello, Since I am doing some moderately large scale changes to the Beginner's Track so that we can eventually dispense with that "in reorganization" warning on the main page, I guess it is a good idea to write regularly to the list so that anyone with an opinion can chime in. Last week some nice progress (IMHO) was done with the first two parts of the Beginner's Trail; and by now I believe a newbie wouldn't find any serious breakage disrupting his progress through them. Beyond switching the main focus of "Next steps" to a first presentation of pattern matching, the other major change was an attempt at writing one of the two new pages that Apfelmus, back in 2010 envisioned for Haskell Basics; namely, "Building a vocabulary". My realization of "Building a vocabulary" has the same goal Apfelmus originally outlined - making newbies aware of the existence and importance of Prelude and the hierarchical libraries. Unfortunately, it does so in a chatty rather than practical way. To counter that, we will need at least some of the following: 1. the Prelude cheat sheets we talked about in 2010 (see http://en.wikibooks.org/wiki/Haskell/Experimental_Modules/Cheat_sheet_protot... for a rough demo - though by now I believe that the text sections after the table are unnecessary); 2. to make better use of the "Libraries Reference" part of Haskell in Practice (by completing some pages, making others clearer and providing more references to them in the Beginner's Track); 3. more exercises which involve actually using Prelude and the libraries. Some of these suggestions could be incorporated into "Building a vocabulary"; others would fit better being diluted along the Beginner's Trail. For the moment, though, I believe the initial version of the new page can give newbies some useful pointers. As usual, it will be most appreciated if you have a few minutes to spend reading "Building a vocabulary" and share your opinions on whether the advice given is sound, the text is not too boring and the example I made up is not too ridiculous. Regards, Daniel Mlot
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Daniel Mlot