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-@ignore
-This file documents the user interface to the GNU History library.
-
-Copyright (C) 1988, 1991 Free Software Foundation, Inc.
-Authored by Brian Fox and Chet Ramey.
-
-Permission is granted to make and distribute verbatim copies of this manual
-provided the copyright notice and this permission notice are preserved on
-all copies.
-
-Permission is granted to process this file through Tex and print the
-results, provided the printed document carries copying permission notice
-identical to this one except for the removal of this paragraph (this
-paragraph not being relevant to the printed manual).
-
-Permission is granted to copy and distribute modified versions of this
-manual under the conditions for verbatim copying, provided also that the
-GNU Copyright statement is available to the distributee, and provided that
-the entire resulting derived work is distributed under the terms of a
-permission notice identical to this one.
-
-Permission is granted to copy and distribute translations of this manual
-into another language, under the above conditions for modified versions.
-@end ignore
-
-@node Using History Interactively
-@chapter Using History Interactively
-
-@ifset BashFeatures
-This chapter describes how to use the GNU History Library interactively,
-from a user's standpoint.  It should be considered a user's guide.  For
-information on using the GNU History Library in your own programs,
-see the GNU Readline Library Manual.
-@end ifset
-@ifclear BashFeatures
-This chapter describes how to use the GNU History Library interactively,
-from a user's standpoint.  It should be considered a user's guide.  For
-information on using the GNU History Library in your own programs,
-@pxref{Programming with GNU History}.
-@end ifclear
-
-@menu
-* History Interaction::		What it feels like using History as a user.
-@end menu
-
-@node History Interaction
-@section History Interaction
-@cindex expansion
-
-The History library provides a history expansion feature that is similar
-to the history expansion provided by @code{csh}.  The following text
-describes the syntax used to manipulate the history information.
-
-History expansion takes place in two parts.  The first is to determine
-which line from the previous history should be used during substitution.
-The second is to select portions of that line for inclusion into the
-current one.  The line selected from the previous history is called the
-@dfn{event}, and the portions of that line that are acted upon are
-called @dfn{words}.  The line is broken into words in the same fashion
-that Bash does, so that several English (or Unix) words
-surrounded by quotes are considered as one word.
-
-@menu
-* Event Designators::	How to specify which history line to use.
-* Word Designators::	Specifying which words are of interest.
-* Modifiers::		Modifying the results of substitution.
-@end menu
-
-@node Event Designators
-@subsection Event Designators
-@cindex event designators
-
-An event designator is a reference to a command line entry in the
-history list.
-@cindex history events
-
-@table @asis
-
-@item @code{!}
-Start a history substitution, except when followed by a space, tab,
-the end of the line, @key{=} or @key{(}.
-
-@item @code{!!}
-Refer to the previous command.  This is a synonym for @code{!-1}.
-
-@item @code{!n}
-Refer to command line @var{n}.
-
-@item @code{!-n}
-Refer to the command @var{n} lines back.
-
-@item @code{!string}
-Refer to the most recent command starting with @var{string}.
-
-@item @code{!?string}[@code{?}]
-Refer to the most recent command containing @var{string}.
-
-@item @code{!#}
-The entire command line typed so far.
-
-@item @code{^string1^string2^}
-Quick Substitution.  Repeat the last command, replacing @var{string1}
-with @var{string2}.  Equivalent to
-@code{!!:s/string1/string2/}.
-
-@end table
-
-@node Word Designators
-@subsection Word Designators
-
-A @key{:} separates the event specification from the word designator.  It
-can be omitted if the word designator begins with a @key{^}, @key{$},
-@key{*} or @key{%}.  Words are numbered from the beginning of the line,
-with the first word being denoted by a 0 (zero).
-
-@table @code
-
-@item 0 (zero)
-The @code{0}th word.  For many applications, this is the command word.
-
-@item n
-The @var{n}th word.
-
-@item ^
-The first argument;  that is, word 1.
-
-@item $
-The last argument.
-
-@item %
-The word matched by the most recent @code{?string?} search.
-
-@item x-y
-A range of words; @code{-@var{y}} abbreviates @code{0-@var{y}}.
-
-@item *
-All of the words, except the @code{0}th.  This is a synonym for @code{1-$}.
-It is not an error to use @key{*} if there is just one word in the event;
-the empty string is returned in that case.
-
-@item x*
-Abbreviates @code{x-$}
-
-@item x-
-Abbreviates @code{x-$} like @code{x*}, but omits the last word.
-
-@end table
-
-@node Modifiers
-@subsection Modifiers
-
-After the optional word designator, you can add a sequence of one or more
-of the following modifiers, each preceded by a @key{:}.
-
-@table @code
-
-@item h
-Remove a trailing pathname component, leaving only the head.
-
-@item r
-Remove a trailing suffix of the form @samp{.}@var{suffix}, leaving the basename.
-
-@item e
-Remove all but the trailing suffix.
-
-@item t
-Remove all leading  pathname  components, leaving the tail.
-
-@item p
-Print the new command but do not execute it.
-
-@ifset BashFeatures
-@item q
-Quote the substituted words, escaping further substitutions.
-
-@item x
-Quote the substituted words as with @code{q},         
-but break into words at spaces, tabs, and newlines.
-@end ifset
-
-@item s/old/new/
-Substitute @var{new} for the first occurrence of @var{old} in the
-event line.  Any delimiter may be used in place of @key{/}.
-The delimiter may be quoted in @var{old} and @var{new}
-with a single backslash.  If @key{&} appears in @var{new},
-it is replaced by @var{old}.  A single backslash will quote
-the @key{&}.  The final delimiter is optional if it is the last
-character on the input line.
-
-@item &
-Repeat the previous substitution.
-
-@item g
-Cause changes to be applied over the entire event line.  Used in
-conjunction with @code{s}, as in @code{gs/old/new/}, or with
-@code{&}.
-
-@end table