K 10
svn:author
V 6
ivoras
K 8
svn:date
V 27
2010-12-02T19:47:27.971043Z
K 7
svn:log
V 160
Add a note about the magic number 20. Actually, 22.75 entries fit in
a 512 byte sector but when choosing magic numbers, 20 looks nicer.

Discussed with:	marcel

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