commit bash-20171215 snapshot

doc/bash.1

@@ -5,12 +5,12 @@
 .\"	Case Western Reserve University
 .\"	chet.ramey@case.edu
 .\"
-.\"	Last Change: Fri Oct 27 14:15:26 EDT 2017
+.\"	Last Change: Thu Dec 14 11:44:05 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 October 27" "GNU Bash 4.4"
+.TH BASH 1 "2017 December 14" "GNU Bash 4.4"
 .\"
 .\" There's some problem with having a `@'
 .\" in a tagged paragraph with the BSD man macros.
@@ -5919,6 +5919,24 @@ to match both
 and
 .IR sun\-cmd ,
 for instance.
+.IP \fBversion\fP
+The \fBversion\fP test may be used to perform comparisons against
+specific readline versions.
+The \fBversion\fP expands to the current readline version.
+The set of comparison operators includes
+.BR = ,
+(and
+.BR == ),
+.BR != ,
+.BR <= ,
+.BR >= ,
+.BR < ,
+and
+.BR > .
+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.
 .IP \fBapplication\fP
 The \fBapplication\fP construct is used to include
 application-specific settings.  Each program using the readline