I set a breakpoint at script.cpp:712 and I can see that it is just that script fails to produce well formed XML
/opt/inkscape/share/inkscape/extensions/color_morelight.py /tmp/ink_ext_XXXXXX.svgJ80RTW | xmllint - -:12: parser error : AttValue: ' expected 6vs9RiG3hXUZuZlJhFgd d6FSoo2ZXTMnzPPhADMM50fDfEIBVbkyNPpvJOLf5WrWc2W+L/Ty2O/OzEw ^ -:12: parser error : Premature end of data in tag svg line 1 6vs9RiG3hXUZuZlJhFgd d6FSoo2ZXTMnzPPhADMM50fDfEIBVbkyNPpvJOLf5WrWc2W+L/Ty2O/OzEw ^
I guess there is nothing major in inkscape itself. Perhaps we can just close this bug as invalid.
I set a breakpoint at script.cpp:712 and I can see that it is just that script fails to produce well formed XML
/opt/inkscape/ share/inkscape/ extensions/ color_morelight .py /tmp/ink_ ext_XXXXXX. svgJ80RTW | xmllint - JhFgd d6FSoo2ZXTMnzPP hADMM50fDfEIBVb kyNPpvJOLf5WrWc 2W+L/Ty2O/ OzEw
^ JhFgd d6FSoo2ZXTMnzPP hADMM50fDfEIBVb kyNPpvJOLf5WrWc 2W+L/Ty2O/ OzEw
^
-:12: parser error : AttValue: ' expected
6vs9RiG3hXUZuZl
-:12: parser error : Premature end of data in tag svg line 1
6vs9RiG3hXUZuZl
I guess there is nothing major in inkscape itself. Perhaps we can just close this bug as invalid.