FreeBSD/doc c070fd9 (r52869)de_DE.ISO8859-1/books/handbook/ports chapter.xml

Update to r52705:

Improve the handbook section about leaf/automatic packages.

The patch includes instructions on how to list the prime (non-automatic)
packages, and how to mark a package as automatic or non-automatic.
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+47-3de_DE.ISO8859-1/books/handbook/ports/chapter.xml
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