fix to freeing self from net.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2775 c06c8d41-db1a-0410-9941-cceddc491573
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Some are spell staves (called 'rods' in the game), and hold spells which
you can cast without having to memorise them first and without consuming
food. You must wield a rod like a weapon in order to gain from its
power, and magical staves are as effective as +0 quarterstaves in
combat. Rods can be invoked with the 'E' command while you are wielding
them. They have a pool of magical energy which regenerates rather
quickly when you are wielding it (drawing from your own Magic), or at a
much slower rate when it just sits in your backpack.
Spell staves (called "rods" in the game) are a totally different kind of
items. They hold spells which you can cast without having to memorise
them first and without consuming food. You must wield a rod like a
weapon in order to gain from its power. Rods can be invoked with the 'E'
command while you are wielding them. They have a pool of magical energy
which regenerates rather quickly when you are wielding it (drawing from
your own Magic), or at a much slower rate when it just sits in your
backpack. Unlike other staves, rods are unsuited for physical combat.