/usr/share/kde4/config.kcfg/octavebackend.kcfg is in cantor-backend-octave 4:4.8.2-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | <?xml version="1.0" encoding="UTF-8"?>
<kcfg xmlns="http://www.kde.org/standards/kcfg/1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0
http://www.kde.org/standards/kcfg/1.0/kcfg.xsd" >
<kcfgfile name="cantorrc"/>
<include>kstandarddirs.h</include>
<group name="OctaveBackend">
<entry name="Path" type="Url">
<label>Path to the Octave executable</label>
<default code="true">KStandardDirs::findExe( "octave" )</default>
</entry>
<entry name="integratePlots" type="Bool">
<label>Integrate Plots into the Worksheet</label>
<default>true</default>
</entry>
</group>
</kcfg>
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