substitute.
(2) Bring the *_DEPENDS section up to the current state. Explain that
the pathname in the "path:dir" pair can be a full pathname if you
want a port to depend on something that isn't executable or an
executable that's not expected to be in the user's search path
(like /usr/local/libexec). Also, change the LIB_DEPENDS example
to use jpeg, tcl-7.3's appropriateness as an example is quite
outdated at this point. ;)
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