Update documentation for queries.

2 files changed, 32 insertions, 1 deletions

diff --git a/src/doc/screen.1 b/src/doc/screen.1
index 3ac5571..c26bbc8 100644
--- a/src/doc/screen.1
+++ b/src/doc/screen.1
@@ -305,6 +305,22 @@ there is no session to resume. 12 (or more) indicates that there are 2 (or
 more) sessions to resume and you should specify which one to choose. 
 In all other cases \*Q-q\*U has no effect.
 .TP 5
+.B \-Q
+Some commands now can be queried from a remote session using this
+flag, e.g. 'screen -Q windows'. The commands will send the
+response to the stdout of the querying process. If there was an
+error in the command, then the querying process will exit with
+a non-zero status.
+
+The commands that can be queried now are:
+ \fBecho\fP
+ \fBinfo\fP
+ \fBlastmsg\fP
+ \fBselect\fP
+ \fBtime\fP
+ \fBtitle\fP
+ \fBwindows\fP
+.TP 5
 .BR \-r " [" \fIpid.tty.host ]
 .PD 0
 .TP 5
@@ -376,7 +392,6 @@ the \fB-d\fP or \fB-r\fP option to tell screen to look only for
 attached or detached screen sessions. Note that this command doesn't
 work if the session is password protected.
 
-
 .SH "DEFAULT KEY BINDINGS"
 .ta 12n 26n
 As mentioned, each
diff --git a/src/doc/screen.texinfo b/src/doc/screen.texinfo
index 44d233e..f7371e1 100644
--- a/src/doc/screen.texinfo
+++ b/src/doc/screen.texinfo
@@ -374,6 +374,22 @@ there is no session to resume. 12 (or more) indicates that there are 2 (or
 more) sessions to resume and you should specify which one to choose. 
 In all other cases @samp{-q} has no effect.
 
+@item -Q
+Some commands now can be queried from a remote session using this
+flag, e.g. 'screen -Q windows'. The commands will send the
+response to the stdout of the querying process. If there was an
+error in the command, then the querying process will exit with
+a non-zero status.
+
+The commands that can be queried now are:
+ @code{echo}
+ @code{info}
+ @code{lastmsg}
+ @code{select}
+ @code{time}
+ @code{title}
+ @code{windows}
+
 @item -r [@var{pid.sessionname}]
 @itemx -r @var{sessionowner}/[@var{pid.sessionname}]
 Resume a detached @code{screen} session.  No other options (except