+ <menuitem type="radio" name="palette" value="rainbow-linear1" label="&colorRBLin1.label;"/>
+ <menuitem type="radio" name="palette" value="rainbow-squared1" label="&colorRBSq1.label;"/>
+ <menuitem type="radio" name="palette" value="rainbow-linear2" label="&colorRBLin2.label;"/>
+ <menuitem type="radio" name="palette" value="rainbow-squared2" label="&colorRBSq2.label;"/>