Add subscripts as separately mapepd files as well.

cli/unicode_data_proces.php

@@ -118,6 +118,11 @@ foreach ($symbols as $key => $value) {
 		case ']':
 		case '{':
 		case '}':
+		case '>=':
+		case '=':
+		case '<=':
+		case '>':
+		case '<':
 			$symbolconversion[$key] = $value[0];
 
 	}
@@ -125,11 +130,39 @@ foreach ($symbols as $key => $value) {
 
 }
 
+$superscriptsconversion = [];
 
+foreach ($superscripts as $key => $value) {
+	if (mb_detect_encoding($value[0], 'ASCII', true) === false) {
+		if (isset($commonsymbolconversion[$value[0]])) {
+			$superscriptsconversion[$key] = $commonsymbolconversion[$value[0]];
+		} else {
+			// Ignore for now.
+		}
+	} else {
+		$superscriptsconversion[$key] = $value[0];
+	}
+}
 
+$subscriptsconversion = [];
+
+foreach ($subscripts as $key => $value) {
+	if (mb_detect_encoding($value[0], 'ASCII', true) === false) {
+		if (isset($commonsymbolconversion[$value[0]])) {
+			$subscriptsconversion[$key] = $commonsymbolconversion[$value[0]];
+		} else {
+			// Ignore for now.
+		}
+	} else {
+		$subscriptsconversion[$key] = $value[0];
+	}
+}
 
-file_put_contents('../unicode/symbols-stack.json', json_encode($symbolconversion, JSON_PRETTY_PRINT));
 
 
+file_put_contents('../unicode/symbols-stack.json', json_encode($symbolconversion, JSON_PRETTY_PRINT));
+file_put_contents('../unicode/superscript-stack.json', json_encode($superscriptsconversion, JSON_PRETTY_PRINT));
+file_put_contents('../unicode/subscript-stack.json', json_encode($subscriptsconversion, JSON_PRETTY_PRINT));
+
 file_put_contents('../unicode/letters-stack.json', json_encode($commonsymbolconversion, JSON_PRETTY_PRINT));
 

unicode/subscript-stack.json

+{
+    "\u1d62": "i",
+    "\u1d63": "r",
+    "\u1d64": "u",
+    "\u1d65": "v",
+    "\u1d66": "beta",
+    "\u1d67": "gamma",
+    "\u1d68": "rho",
+    "\u1d69": "phi",
+    "\u1d6a": "chi",
+    "\u2080": "0",
+    "\u2081": "1",
+    "\u2082": "2",
+    "\u2083": "3",
+    "\u2084": "4",
+    "\u2085": "5",
+    "\u2086": "6",
+    "\u2087": "7",
+    "\u2088": "8",
+    "\u2089": "9",
+    "\u208a": "+",
+    "\u208b": "-",
+    "\u208c": "=",
+    "\u208d": "(",
+    "\u208e": ")",
+    "\u2090": "a",
+    "\u2091": "e",
+    "\u2092": "o",
+    "\u2093": "x",
+    "\u2095": "h",
+    "\u2096": "k",
+    "\u2097": "l",
+    "\u2098": "m",
+    "\u2099": "n",
+    "\u209a": "p",
+    "\u209b": "s",
+    "\u209c": "t",
+    "\u2c7c": "j"
+}
\ No newline at end of file

unicode/superscript-stack.json

+{
+    "\u00b2": "2",
+    "\u00b3": "3",
+    "\u00b9": "1",
+    "\u2070": "0",
+    "\u2071": "i",
+    "\u2074": "4",
+    "\u2075": "5",
+    "\u2076": "6",
+    "\u2077": "7",
+    "\u2078": "8",
+    "\u2079": "9",
+    "\u207a": "+",
+    "\u207b": "-",
+    "\u207c": "=",
+    "\u207d": "(",
+    "\u207e": ")",
+    "\u207f": "n"
+}
\ No newline at end of file

unicode/symbols-stack.json

+{
+    "\u00d7": "*",
+    "\u00f7": "\/",
+    "\u2044": "\/",
+    "\u2052": "-",
+    "\u208b": "-",
+    "\u2212": "-",
+    "\u2214": "+",
+    "\u2215": "\/",
+    "\u2217": "*",
+    "\u2238": "-",
+    "\u2295": "+",
+    "\u2296": "-",
+    "\u2297": "*",
+    "\u2298": "\/",
+    "\u229b": "*",
+    "\u229c": "=",
+    "\u229d": "-",
+    "\u229e": "+",
+    "\u229f": "-",
+    "\u22a0": "*",
+    "\u2264": "<=",
+    "\u2265": ">=",
+    "\u22d6": "<",
+    "\u22d7": ">",
+    "\u22dc": "<=",
+    "\u22dd": ">=",
+    "\u27cc": "\/",
+    "\u29b8": "\/",
+    "\u29c0": "<",
+    "\u29c1": ">",
+    "\u29c6": "*",
+    "\u29fa": "+",
+    "\u29fb": "+",
+    "\u2a01": "+",
+    "\u2a02": "*",
+    "\u2a09": "*",
+    "\u2a66": "=",
+    "\u2aaa": "<",
+    "\u2aab": ">",
+    "\u2aac": "<=",
+    "\u2aad": ">=",
+    "\u02c6": "^"
+}
\ No newline at end of file