+dkMathSymbols.item[chr(0x00f6)] := "{u+2300}" ; (ö -> ⌀) diameter sign
+dkMathSymbols.item[chr(0x00d6)] := "{u+2300}" ; (Ö -> ⌀) diameter sign
+dkMathSymbols.item[chr(0x00f2)] := "{u+2a7d}" ; (ò -> ⩽) less-than or slanted equal to
+dkMathSymbols.item[chr(0x00d2)] := "{u+2a7d}" ; (Ò -> ⩽) less-than or slanted equal to
+dkMathSymbols.item[chr(0x00f3)] := "{u+2a7e}" ; (ó -> ⩾) greater-than or slanted equal to
+dkMathSymbols.item[chr(0x00d3)] := "{u+2a7e}" ; (Ó -> ⩾) greater-than or slanted equal to