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commit bash-20171226 snapshot

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Chet Ramey
2018-01-02 10:53:02 -05:00
parent 2e41257453
commit ce0469bfbe
11 changed files with 159 additions and 18 deletions
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doc/bash.1
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@@ -5,12 +5,12 @@
.\" Case Western Reserve University
.\" chet.ramey@case.edu
.\"
.\" Last Change: Tue Dec 19 09:56:59 EST 2017
.\" Last Change: Thu Dec 28 14:50:35 EST 2017
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
.TH BASH 1 "2017 December 19" "GNU Bash 4.4"
.TH BASH 1 "2017 December 28" "GNU Bash 4.4"
.\"
.\" There's some problem with having a `@'
.\" in a tagged paragraph with the BSD man macros.
@@ -5898,8 +5898,9 @@ The
.B $if
construct allows bindings to be made based on the
editing mode, the terminal being used, or the application using
readline. The text of the test extends to the end of the line;
no characters are required to isolate it.
readline. The text of the test, after any comparison operator,
extends to the end of the line;
unless otherwise noted, no characters are required to isolate it.
.RS
.IP \fBmode\fP
The \fBmode=\fP form of the \fB$if\fP directive is used to test
@@ -5939,6 +5940,8 @@ The version number supplied on the right side of the operator consists
of a major version number, an optional decimal point, and an optional
minor version (e.g., \fB7.1\fP). If the minor version is omitted, it
is assumed to be \fB0\fP.
The operator may be separated from the string \fBversion\fP
and from the version number argument by whitespace.
.IP \fBapplication\fP
The \fBapplication\fP construct is used to include
application-specific settings. Each program using the readline
@@ -5956,6 +5959,15 @@ key sequence that quotes the current or previous word in \fBbash\fP:
\fB$endif\fP
.fi
.RE
.IP \fIvariable\fP
The \fIvariable\fP construct provides simple equality tests for readline
variables and values.
The permitted comparison operators are \fI=\fP, \fI==\fP, and \fI!=\fP.
The variable name must be separated from the comparison operator by
whitespace; the operator may be separated from the value on the right hand
side by whitespace.
Both string and boolean variables may be tested. Boolean variables must be
tested against the values \fIon\fP and \fIoff\fP.
.RE
.IP \fB$endif\fP
This command, as seen in the previous example, terminates an
@@ -9191,7 +9203,7 @@ is omitted, the return status is that of the last command
executed in the function body.
If \fBreturn\fP is executed by a trap handler, the last command used to
determine the status is the last command executed before the trap handler.
if \fBreturn\fP is executed during a \fBDEBUG\fP trap, the last command
If \fBreturn\fP is executed during a \fBDEBUG\fP trap, the last command
used to determine the status is the last command executed by the trap
handler before \fBreturn\fP was invoked.
If