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% File src/library/utils/man/rcompgen.Rd
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% Part of the R package, http://www.R-project.org
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% Copyright 2008 R Core Development Team
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% Distributed under GPL 2 or later
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\item{\code{ops}:}{activates completion after the \code{$} and
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\code{@} operators}
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\item{\code{ns}:}{controls namespace related completions}
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\item{\code{ns}:}{controls name space related completions}
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\item{\code{args}:}{enables completion of function arguments}
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\code{[}, \code{$}, etc \emph{do not} inhibit evaluation).
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\item{\bold{Completion inside namespaces}:}{
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\item{\bold{Completion inside name spaces}:}{
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When the \code{ns} setting is turned on, completion inside
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namespaces is attempted when a token is preceded by the \code{::}
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name spaces is attempted when a token is preceded by the \code{::}
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or \code{:::} operators. Additionally, the basic completion
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mechanism is extended to include attached namespaces, or more
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mechanism is extended to include attached name spaces, or more
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precisely, \code{foopkg::} becomes a valid completion of
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\code{foo} if the return value of \code{\link{search}()} includes
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the string \code{"package:foopkg"}.
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The completion of package namespaces applies only to attached
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The completion of package name spaces applies only to attached
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packages, i.e. if \code{MASS} is not attached (whether or not it
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is loaded), \code{MAS} will not complete to \code{MASS::}.
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However, attempted completion \emph{inside} an apparent namespace
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will attempt to load the namespace if it is not already loaded,
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However, attempted completion \emph{inside} an apparent name space
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will attempt to load the name space if it is not already loaded,
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e.g. trying to complete on \code{MASS::fr} will load \code{MASS}
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(but not necessarily attach it) even if it is not already loaded.
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of completion are also appropriate whenever argument completion
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is. Since there are usually many many more visible objects than
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formal arguments of any particular function, possible argument
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completions are often buried in a bunch of other possibilites.
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completions are often buried in a bunch of other possibilities.
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However, recall that basic completion is suppressed for blank
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tokens. This can be useful to list possible arguments of a
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function. For example, trying to complete \code{seq([TAB]} and
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src/library/utils/man/rcompgen.Rd
