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  object is removed.  The next call to the function will recompute the
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  object is removed.  The next call to the function will recompute the
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  merged definitions.
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  merged definitions.
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  When methods list are merged, they can come from two sources:
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  When methods list are merged, they can come from two sources:
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  \enumerate{
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  \enumerate{
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    \item {Methods list objects for the same function on one or more
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    \item {Methods list objects for the same function anywhere on the
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      currently attached databases.  These are merged so that methods in
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        current search list.  These are merged so that methods in
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      a database earlier in the search list override methods for the
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      an environment earlier in the search list override methods for the
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      same function later in the search list. A method overrides only
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      same function later in the search list. A method overrides only
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      another method for the same signature.  See the comments on class
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      another method for the same signature.  See the comments on class
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      \code{"ANY"} in the section on \bold{Inheritance}.
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      \code{"ANY"} in the section on \bold{Inheritance}.
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    }
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    }
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    \item {Methods list objects corresponding to the generic function
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    \item {Methods list objects corresponding the group generic functions, if any, for this
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      itself and to the group generic functions, if any, for this
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      function.  Any generic function can be defined to belong to a
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      function.  Any generic function can be defined to belong to a
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      group generic.  The methods for the group generic are available as
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      group generic.  The methods for the group generic are available as
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      methods for this function.  The group generic can itself be
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      methods for this function.  The group generic can itself be
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      defined as belong to a group; as a result there is a list of group
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      defined as belong to a group; as a result there is a list of group
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      generic functions.  A method defined for a function and a
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      generic functions.  A method defined for a function and a
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      particular signature overrides a method for the same signature for
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      particular signature overrides a method for the same signature for
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      that function's group generic.
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      that function's group generic.
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    }
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    }
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  }
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  }
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  Merging is done first over databases for a particular function, and
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  Merging is done first on all methods for a particular function, and
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  then over the generic and its group generics.
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  then over the generic and its group generics.
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  The result is a single methods list object that contains all the
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  The result is a single methods list object that contains all the
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  methods \emph{directly} defined for this function.  As calls to the
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  methods \emph{directly} defined for this function.  As calls to the
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  function occur, this information may be supplemented by
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  function occur, this information may be supplemented by