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I am having trouble understanding this manual about the MediaWiki CMS.
Please note that under POSIX systems (Linux...), parent of a symbolic path refers to the link source, NOT to the target! You should check the env variable MW_INSTALL_PATH in case the extension is not in the default location.
What did the author mean?
The meaning is that under UNIX systems, if you create a symbolic link like this:
ln -s [source] [target]
ln -s /tmp/test/foo /tmp/test2/bar
the parent of /tmp/test2/bar, while actually being /tmp/test2, is technichally speaking /tmp/test/.
Disclaimer: Sometimes this behavior can actually affect you, but in 90% of the cases I've dealt with, this should not be of your concern (E.g. if you cd /tmp/test2/bar and then cd .. you will still be in /tmp/test2, not in /tmp/test).
