// [ \ - MINUS ]
0x005B, 0x005C, 0x002D, 0x2212, 0x005D, 0x0000};
-static UChar32 gMinusSigns[] = {
+static const UChar32 gMinusSigns[] = {
0x002D,
0x207B,
0x208B,
0xFE63,
0xFF0D};
-static UChar32 gPlusSigns[] = {
+static const UChar32 gPlusSigns[] = {
0x002B,
0x207A,
0x208A,