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+This file is reserved.def, in which the shell reserved words are defined.
+It has no direct C file production, but defines builtins for the Bash
+builtin help command.
+
+Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+This file is part of GNU Bash, the Bourne Again SHell.
+
+Bash is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Bash is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+
+$BUILTIN for
+$SHORT_DOC for NAME [in WORDS ... ] ; do COMMANDS; done
+Execute commands for each member in a list.
+
+The `for' loop executes a sequence of commands for each member in a
+list of items.  If `in WORDS ...;' is not present, then `in "$@"' is
+assumed.  For each element in WORDS, NAME is set to that element, and
+the COMMANDS are executed.
+
+Exit Status:
+Returns the status of the last command executed.
+$END
+
+$BUILTIN for ((
+$DOCNAME arith_for
+$SHORT_DOC for (( exp1; exp2; exp3 )); do COMMANDS; done
+Arithmetic for loop.
+
+Equivalent to
+	(( EXP1 ))
+	while (( EXP2 )); do
+		COMMANDS
+		(( EXP3 ))
+	done
+EXP1, EXP2, and EXP3 are arithmetic expressions.  If any expression is
+omitted, it behaves as if it evaluates to 1.
+
+Exit Status:
+Returns the status of the last command executed.
+$END
+
+$BUILTIN select
+$SHORT_DOC select NAME [in WORDS ... ;] do COMMANDS; done
+Select words from a list and execute commands.
+
+The WORDS are expanded, generating a list of words.  The
+set of expanded words is printed on the standard error, each
+preceded by a number.  If `in WORDS' is not present, `in "$@"'
+is assumed.  The PS3 prompt is then displayed and a line read
+from the standard input.  If the line consists of the number
+corresponding to one of the displayed words, then NAME is set
+to that word.  If the line is empty, WORDS and the prompt are
+redisplayed.  If EOF is read, the command completes.  Any other
+value read causes NAME to be set to null.  The line read is saved
+in the variable REPLY.  COMMANDS are executed after each selection
+until a break command is executed.
+
+Exit Status:
+Returns the status of the last command executed.
+$END
+
+$BUILTIN time
+$SHORT_DOC time [-p] pipeline
+Report time consumed by pipeline's execution.
+
+Execute PIPELINE and print a summary of the real time, user CPU time,
+and system CPU time spent executing PIPELINE when it terminates.
+
+Options:
+  -p	print the timing summary in the portable Posix format
+
+The value of the TIMEFORMAT variable is used as the output format.
+
+Exit Status:
+The return status is the return status of PIPELINE.
+$END
+
+$BUILTIN case
+$SHORT_DOC case WORD in [PATTERN [| PATTERN]...) COMMANDS ;;]... esac
+Execute commands based on pattern matching.
+
+Selectively execute COMMANDS based upon WORD matching PATTERN.  The
+`|' is used to separate multiple patterns.
+
+Exit Status:
+Returns the status of the last command executed.
+$END
+
+$BUILTIN if
+$SHORT_DOC if COMMANDS; then COMMANDS; [ elif COMMANDS; then COMMANDS; ]... [ else COMMANDS; ] fi
+Execute commands based on conditional.
+
+The `if COMMANDS' list is executed.  If its exit status is zero, then the
+`then COMMANDS' list is executed.  Otherwise, each `elif COMMANDS' list is
+executed in turn, and if its exit status is zero, the corresponding
+`then COMMANDS' list is executed and the if command completes.  Otherwise,
+the `else COMMANDS' list is executed, if present.  The exit status of the
+entire construct is the exit status of the last command executed, or zero
+if no condition tested true.
+
+Exit Status:
+Returns the status of the last command executed.
+$END
+
+$BUILTIN while
+$SHORT_DOC while COMMANDS; do COMMANDS; done
+Execute commands as long as a test succeeds.
+
+Expand and execute COMMANDS as long as the final command in the
+`while' COMMANDS has an exit status of zero.
+
+Exit Status:
+Returns the status of the last command executed.
+$END
+
+$BUILTIN until
+$SHORT_DOC until COMMANDS; do COMMANDS; done
+Execute commands as long as a test does not succeed.
+
+Expand and execute COMMANDS as long as the final command in the
+`until' COMMANDS has an exit status which is not zero.
+
+Exit Status:
+Returns the status of the last command executed.
+$END
+
+$BUILTIN coproc
+$SHORT_DOC coproc [NAME] command [redirections]
+Create a coprocess named NAME.
+
+Execute COMMAND asynchronously, with the standard output and standard
+input of the command connected via a pipe to file descriptors assigned
+to indices 0 and 1 of an array variable NAME in the executing shell.
+The default NAME is "COPROC".
+
+Exit Status:
+Returns the exit status of COMMAND.
+$END
+
+$BUILTIN function
+$SHORT_DOC function name { COMMANDS ; } or name () { COMMANDS ; }
+Define shell function.
+
+Create a shell function named NAME.  When invoked as a simple command,
+NAME runs COMMANDs in the calling shell's context.  When NAME is invoked,
+the arguments are passed to the function as $1...$n, and the function's
+name is in $FUNCNAME.
+
+Exit Status:
+Returns success unless NAME is readonly.
+$END
+
+$BUILTIN { ... }
+$DOCNAME grouping_braces
+$SHORT_DOC { COMMANDS ; }
+Group commands as a unit.
+
+Run a set of commands in a group.  This is one way to redirect an
+entire set of commands.
+
+Exit Status:
+Returns the status of the last command executed.
+$END
+
+$BUILTIN %
+$DOCNAME fg_percent
+$SHORT_DOC job_spec [&]
+Resume job in foreground.
+
+Equivalent to the JOB_SPEC argument to the `fg' command.  Resume a
+stopped or background job.  JOB_SPEC can specify either a job name
+or a job number.  Following JOB_SPEC with a `&' places the job in
+the background, as if the job specification had been supplied as an
+argument to `bg'.
+
+Exit Status:
+Returns the status of the resumed job.
+$END
+
+$BUILTIN (( ... ))
+$DOCNAME arith
+$SHORT_DOC (( expression ))
+Evaluate arithmetic expression.
+
+The EXPRESSION is evaluated according to the rules for arithmetic
+evaluation.  Equivalent to "let EXPRESSION".
+
+Exit Status:
+Returns 1 if EXPRESSION evaluates to 0; returns 0 otherwise.
+$END
+
+$BUILTIN [[ ... ]]
+$DOCNAME conditional
+$SHORT_DOC [[ expression ]]
+Execute conditional command.
+
+Returns a status of 0 or 1 depending on the evaluation of the conditional
+expression EXPRESSION.  Expressions are composed of the same primaries used
+by the `test' builtin, and may be combined using the following operators:
+
+  ( EXPRESSION )	Returns the value of EXPRESSION
+  ! EXPRESSION		True if EXPRESSION is false; else false
+  EXPR1 && EXPR2	True if both EXPR1 and EXPR2 are true; else false
+  EXPR1 || EXPR2	True if either EXPR1 or EXPR2 is true; else false
+
+When the `==' and `!=' operators are used, the string to the right of
+the operator is used as a pattern and pattern matching is performed.
+When the `=~' operator is used, the string to the right of the operator
+is matched as a regular expression.
+
+The && and || operators do not evaluate EXPR2 if EXPR1 is sufficient to
+determine the expression's value.
+
+Exit Status:
+0 or 1 depending on value of EXPRESSION.
+$END
+
+$BUILTIN variables
+$DOCNAME variable_help
+$SHORT_DOC variables - Names and meanings of some shell variables
+Common shell variable names and usage.
+
+BASH_VERSION	Version information for this Bash.
+CDPATH	A colon-separated list of directories to search
+		for directories given as arguments to `cd'.
+GLOBIGNORE	A colon-separated list of patterns describing filenames to
+		be ignored by pathname expansion.
+#if defined (HISTORY)
+HISTFILE	The name of the file where your command history is stored.
+HISTFILESIZE	The maximum number of lines this file can contain.
+HISTSIZE	The maximum number of history lines that a running
+		shell can access.
+#endif /* HISTORY */
+HOME	The complete pathname to your login directory.
+HOSTNAME	The name of the current host.
+HOSTTYPE	The type of CPU this version of Bash is running under.
+IGNOREEOF	Controls the action of the shell on receipt of an EOF
+		character as the sole input.  If set, then the value
+		of it is the number of EOF characters that can be seen
+		in a row on an empty line before the shell will exit
+		(default 10).  When unset, EOF signifies the end of input.
+MACHTYPE	A string describing the current system Bash is running on.
+MAILCHECK	How often, in seconds, Bash checks for new mail.
+MAILPATH	A colon-separated list of filenames which Bash checks
+		for new mail.
+OSTYPE	The version of Unix this version of Bash is running on.
+PATH	A colon-separated list of directories to search when
+		looking for commands.
+PROMPT_COMMAND	A command to be executed before the printing of each
+		primary prompt.
+PS1		The primary prompt string.
+PS2		The secondary prompt string.
+PWD		The full pathname of the current directory.
+SHELLOPTS	A colon-separated list of enabled shell options.
+TERM	The name of the current terminal type.
+TIMEFORMAT	The output format for timing statistics displayed by the
+		`time' reserved word.
+auto_resume	Non-null means a command word appearing on a line by
+		itself is first looked for in the list of currently
+		stopped jobs.  If found there, that job is foregrounded.
+		A value of `exact' means that the command word must
+		exactly match a command in the list of stopped jobs.  A
+		value of `substring' means that the command word must
+		match a substring of the job.  Any other value means that
+		the command must be a prefix of a stopped job.
+#if defined (HISTORY)
+#  if defined (BANG_HISTORY)
+histchars	Characters controlling history expansion and quick
+		substitution.  The first character is the history
+		substitution character, usually `!'.  The second is
+		the `quick substitution' character, usually `^'.  The
+		third is the `history comment' character, usually `#'.
+#  endif /* BANG_HISTORY */
+HISTIGNORE	A colon-separated list of patterns used to decide which
+		commands should be saved on the history list.
+#endif /* HISTORY */
+$END