+char_type superscript(char_type c)
+{
+ switch (c) {
+ case '2': return 0x00b2;
+ case '3': return 0x00b3;
+ case '1': return 0x00b9;
+ case '0': return 0x2070;
+ case 'i': return 0x2071;
+ case '4': return 0x2074;
+ case '5': return 0x2075;
+ case '6': return 0x2076;
+ case '7': return 0x2077;
+ case '8': return 0x2078;
+ case '9': return 0x2079;
+ case '+': return 0x207a;
+ case '-': return 0x207b;
+ case '=': return 0x207c;
+ case '(': return 0x207d;
+ case ')': return 0x207e;
+ case 'n': return 0x207f;
+ case 'h': return 0x02b0;
+ case 0x0266: return 0x02b1; // LATIN SMALL LETTER H WITH HOOK
+ case 'j': return 0x02b2;
+ case 'r': return 0x02b3;
+ case 0x0279: return 0x02b4; // LATIN SMALL LETTER TURNED R
+ case 0x027b: return 0x02b5; // LATIN SMALL LETTER TURNED R WITH HOOK
+ case 0x0281: return 0x02b6; // LATIN SMALL LETTER CAPITAL INVERTED R
+ case 'w': return 0x02b7;
+ case 'y': return 0x02b8;
+// case 0x0294: return 0x02c0; // LATIN LETTER GLOTTAL STOP)
+// case 0x0295: return 0x02c1; // LATIN LETTER PHARYNGEAL VOICED FRICATIVE
+ // (= LATIN LETTER REVERSED GLOTTAL STOP)
+ case 'l': return 0x02e1;
+ case 's': return 0x02e2;
+ case 'x': return 0x02e3;
+// case 0x0295: return 0x02e4; // LATIN SMALL LETTER REVERSED GLOTTAL STOP
+ case 'A': return 0x1d2c;
+ case 0x00c6: return 0x1d2d; // LATIN CAPITAL LETTER AE
+ case 'B': return 0x1d2e;
+ case 'D': return 0x1d30;
+ case 'E': return 0x1d31;
+ case 'G': return 0x1d33;
+ case 'H': return 0x1d34;
+ case 'I': return 0x1d35;
+ case 'J': return 0x1d36;
+ case 'K': return 0x1d37;
+ case 'L': return 0x1d38;
+ case 'M': return 0x1d39;
+ case 'N': return 0x1d3a;
+ case 'O': return 0x1d3c;
+ case 'P': return 0x1d3e;
+ case 'R': return 0x1d3f;
+ case 'T': return 0x1d40;
+ case 'U': return 0x1d41;
+ case 'W': return 0x1d42;
+ case 'a': return 0x1d43;
+ case 0x0250: return 0x1d44; // LATIN SMALL LETTER TURNED A
+ case 0x0251: return 0x1d45; // LATIN SMALL LETTER ALPHA
+ case 'b': return 0x1d47;
+ case 'd': return 0x1d48;
+ case 'e': return 0x1d49;
+ case 0x0259: return 0x1d4a; // LATIN SMALL LETTER SCHWA
+ case 0x025b: return 0x1d4b; // LATIN SMALL LETTER OPEN E
+ case 0x1d08: return 0x1d4c; // LATIN SMALL LETTER TURNED OPEN E
+ case 'g': return 0x1d4d;
+ case 0x1d09: return 0x1d4e; // LATIN SMALL LETTER TURNED I
+ case 'k': return 0x1d4f;
+ case 'm': return 0x1d50;
+ case 0x014b: return 0x1d51; // LATIN SMALL LETTER ENG
+ case 'o': return 0x1d52;
+ case 0x0254: return 0x1d53; // LATIN SMALL LETTER OPEN O
+ case 0x1d16: return 0x1d54; // LATIN SMALL LETTER TOP HALF O
+ case 0x1d17: return 0x1d55; // LATIN SMALL LETTER BOTTOM HALF O
+ case 'p': return 0x1d56;
+ case 't': return 0x1d57;
+ case 'u': return 0x1d58;
+ case 0x1d1d: return 0x1d59; // LATIN SMALL LETTER SIDEWAYS U
+ case 0x1d1f: return 0x1d5a; // LATIN SMALL LETTER SIDEWAYS TURNED M
+ case 'v': return 0x1d5b;
+ case 0x03b2: return 0x1d5d; // GREEK SMALL LETTER BETA
+ case 0x03b3: return 0x1d5e; // GREEK SMALL LETTER GAMMA
+ case 0x03b4: return 0x1d5f; // GREEK SMALL LETTER DELTA
+ case 0x03c6: return 0x1d60; // GREEK SMALL LETTER PHI
+ case 0x03c7: return 0x1d61; // GREEK SMALL LETTER CHI
+ }
+ return c;
+}
+
+
+char_type subscript(char_type c)
+{
+ switch (c) {
+ case 'i': return 0x1d62;
+ case 'r': return 0x1d63;
+ case 'u': return 0x1d64;
+ case 'v': return 0x1d65;
+ case 0x03b2: return 0x1d66; // GREEK SMALL LETTER BETA
+ case 0x03b3: return 0x1d67; // GREEK SMALL LETTER GAMMA
+ case 0x03c1: return 0x1d68; // GREEK SMALL LETTER RHO
+ case 0x03c6: return 0x1d69; // GREEK SMALL LETTER PHI
+ case 0x03c7: return 0x1d6a; // GREEK SMALL LETTER CHI
+ case '0': return 0x2080;
+ case '1': return 0x2081;
+ case '2': return 0x2082;
+ case '3': return 0x2083;
+ case '4': return 0x2084;
+ case '5': return 0x2085;
+ case '6': return 0x2086;
+ case '7': return 0x2087;
+ case '8': return 0x2088;
+ case '9': return 0x2089;
+ case '+': return 0x208a;
+ case '-': return 0x208b;
+ case '=': return 0x208c;
+ case '(': return 0x208d;
+ case ')': return 0x208e;
+ case 'a': return 0x2090;
+ case 'e': return 0x2091;
+ case 'o': return 0x2092;
+ case 'x': return 0x2093;
+ case 0x0259: return 0x2093; // LATIN SMALL LETTER SCHWA
+ }
+ return c;
+}
+
+