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[Octave-bug-tracker] [bug #44132] GUI history pane does not sync with hi


From: Mike Miller
Subject: [Octave-bug-tracker] [bug #44132] GUI history pane does not sync with history when using history_control("erasedups")
Date: Fri, 30 Jan 2015 15:17:04 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.91 Safari/537.36

URL:
  <http://savannah.gnu.org/bugs/?44132>

                 Summary: GUI history pane does not sync with history when
using history_control("erasedups")
                 Project: GNU Octave
            Submitted by: mtmiller
            Submitted on: Fri 30 Jan 2015 10:17:03 AM EST
                Category: GUI
                Severity: 2 - Minor
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: Confirmed
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

The GUI history panel shows all commands in the interpreter history and
normally is synchronized with the true history available using readline
history. However, if the history_control("erasedups") option is enabled,
previous history commands matching the last entered command are removed from
the readline history. They remain visible in the history panel. When the GUI
exits and restarts, the history is correct because it has been reread from the
correct readline history.

This is probably very much a corner case, and the impact is only that
duplicate history commands are left in the GUI panel until the GUI exits and
is started again.




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