Essays
All essays are member of at least two categories. The name of the categories is build by the following rules, where text in curly brackets can be anything:
I. Essays in General
Every essay is member of the category "CategoryEssay".
II. Vendor-specific Essays
Every essay is also a member of a category "CategoryEssay{Vendor}{Caption}"
"Vendor" can be one of those listet on the first page, but it can also be "General", if the essay is not specific to a particular version of APL.
List of all essays: