[Octave-bug-tracker] [bug #41477] \n in ylabel causes X to log me out

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?41477>

                 Summary: \n in ylabel causes X to log me out
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Thu 06 Feb 2014 03:38:14 UTC
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Crash
                  Status: None
             Assigned to: None
         Originator Name: Robert Jenssen
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.0
        Operating System: GNU/Linux

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Details:

Running the following script twice at an Octave prompt causes X to log me
out:


clear all
more off

force_X_logout = true

n=1024;
ntl=31;
ntu=n-ntl;
w=(ntl:ntu)'*pi/n;
td=5.5;
Pd=-w*td;
A0=w*4;
P0=0.01*sin(8*w);
subplot(211),plot(w*0.5/pi,A0);
s=sprintf("Initial response : td=%g",td);
subplot(211),title(s);
subplot(211),ylabel("Amplitude");
subplot(212),plot(w*0.5/pi,[P0 Pd+w*td]);
subplot(212),xlabel("Frequency");
if force_X_logout
  subplot(212),ylabel("Phase(rad.)\n");
%                                 ^ 
% The problem occurs if I add this carriage return
% and run this script twice at the Octave prompt.
% The file /var/log/messages shows this message at 
% about the time I make my session logout:
%  "xlock: xlock: xio_error"
else 
  subplot(212),ylabel("Phase(rad.)");
endif


My OS is:

3.12.9-301.fc20.x86_64 #1 SMP Wed Jan 29 15:56:22 UTC 2014 x86_64 x86_64
x86_64 GNU/Linux






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