enable MULTIPLE_COPROCS; bind -p/-P can print out bindings for individual command names; changes to Makefile to remove MFLAGS; simplify build tools by assuming C90 compilation environment for better cross-compiling support

doc/bash.1

@@ -5,14 +5,14 @@
 .\"	Case Western Reserve University
 .\"	chet.ramey@case.edu
 .\"
-.\"	Last Change: Fri Mar 29 11:54:22 EDT 2024
+.\"	Last Change: Tue Apr 23 15:08:01 EDT 2024
 .\"
 .\" bash_builtins, strip all but Built-Ins section
 .\" avoid a warning about an undefined register
 .\" .if !rzY .nr zY 0
 .if \n(zZ=1 .ig zZ
 .if \n(zY=1 .ig zY
-.TH BASH 1 "2024 March 29" "GNU Bash 5.3"
+.TH BASH 1 "2024 April 23" "GNU Bash 5.3"
 .\"
 .\" There's some problem with having a `@'
 .\" in a tagged paragraph with the BSD man macros.
@@ -86,8 +86,8 @@ bash \- GNU Bourne-Again SHell
 [options]
 [command_string | file]
 .SH COPYRIGHT
-.if n Bash is Copyright (C) 1989-2023 by the Free Software Foundation, Inc.
-.if t Bash is Copyright \(co 1989-2023 by the Free Software Foundation, Inc.
+.if n Bash is Copyright (C) 1989-2024 by the Free Software Foundation, Inc.
+.if t Bash is Copyright \(co 1989-2024 by the Free Software Foundation, Inc.
 .SH DESCRIPTION
 .B Bash
 is an \fBsh\fP-compatible command language interpreter that
@@ -1491,7 +1491,7 @@ Expands to the number of positional parameters in decimal.
 .TP
 .B ?
 Expands to the exit status of the most recently executed foreground
-pipeline.
+command.
 .TP
 .B \-
 Expands to the current option flags as specified upon invocation,
@@ -2032,8 +2032,11 @@ The default is system-dependent.
 An array variable (see
 .B Arrays
 below) containing a list of exit status values from the processes
-in the most-recently-executed foreground pipeline (which may
-contain only a single command).
+in the most-recently-executed foreground pipeline, which may
+consist of only a simple command
+(see
+.B "SHELL GRAMMAR"
+above).
 .TP
 .B PPID
 The process ID of the shell's parent.  This variable is readonly.
@@ -8145,7 +8148,7 @@ returns 0 unless run when job control is disabled or, when run with
 job control enabled, any specified \fIjobspec\fP was not found
 or was started without job control.
 .TP
-\fBbind\fP [\fB\-m\fP \fIkeymap\fP] [\fB\-lpsvPSVX\fP]
+\fBbind\fP [\fB\-m\fP \fIkeymap\fP] [\fB\-lsvSVX\fP]
 .PD 0
 .TP
 \fBbind\fP [\fB\-m\fP \fIkeymap\fP] [\fB\-q\fP \fIfunction\fP] [\fB\-u\fP \fIfunction\fP] [\fB\-r\fP \fIkeyseq\fP]
@@ -8156,6 +8159,8 @@ or was started without job control.
 .TP
 \fBbind\fP [\fB\-m\fP \fIkeymap\fP] \fIkeyseq\fP:\fIfunction\-name\fP
 .TP
+\fBbind\fP [\fB\-m\fP \fIkeymap\fP] \fB\-p\fP|\fB\-P\fP [\fIreadline\-command\fP]
+.TP
 \fBbind\fP [\fB\-m\fP \fIkeymap\fP] \fIkeyseq\fP:\fIreadline\-command\fP
 .TP
 \fBbind\fP \fIreadline-command-line\fP
@@ -8203,9 +8208,13 @@ List the names of all \fBreadline\fP functions.
 .B \-p
 Display \fBreadline\fP function names and bindings in such a way
 that they can be re-read.
+If arguments remain after option processing, \fBbind\fP treats
+them as readline command names and restricts output to those names.
 .TP
 .B \-P
 List current \fBreadline\fP function names and bindings.
+If arguments remain after option processing, \fBbind\fP treats
+them as readline command names and restricts output to those names.
 .TP
 .B \-s
 Display \fBreadline\fP key sequences bound to macros and the strings
@@ -12110,6 +12119,21 @@ It will fail at word expansion time if extglob hasn't been
 enabled by the time the command is executed.
 .RE
 .PD
+.TP
+\fBcompat52\fP
+.PD 0
+.RS
+.IP \(bu
+The \fBtest\fP builtin uses its historical algorithm to parse parenthesized
+subexpressions when given five or more arguments.
+.IP \(bu
+If the \fB\-p\fP or \fB\-P\fP option is supplied to the \fBbind\fP builtin,
+\fBbind\fP treats any arguments remaining after option processing
+as bindable command names, and
+displays any key sequences bound to those commands, instead of treating
+the arguments as key sequences to bind.
+.RE
+.PD
 .\" bash_builtins
 .if \n(zZ=1 .ig zZ
 .SH "RESTRICTED SHELL"