* Fixed mapping for U+028C, U+034D.

* Fixed the thickness of thick arrows under full width.
 * Fixed missing `TM` and `SM` symbol.
 * Fixed weight of dotted numbers.
 * Fix APL symbols' metric under Aile.

utility/export-data/coverage-export/gather-coverage-data.js

@@ -0,0 +1,39 @@
+const blockData = require("./block-data");
+const ucdNames = require("unicode-13.0.0/Names");
+const ugc = require("unicode-13.0.0/General_Category");
+
+module.exports = function(rawCov) {
+	const result = [];
+	const inFontCharSet = new Set(rawCov.keys());
+	for (const [[lchBlockStart, lchBlockEnd], block] of blockData) {
+		let blockResults = [];
+		let processed = new Set();
+
+		for (const [lchFont, [gn, ck]] of rawCov) {
+			if (lchFont < 0x20 || lchFont < lchBlockStart || lchFont > lchBlockEnd) continue;
+			const lchStart = (lchFont >>> 4) << 4;
+			const lchEnd = lchStart + 0x10;
+			for (let lch = lchStart; lch < lchEnd; lch++) {
+				if (processed.has(lch)) continue;
+				const chName = ucdNames.get(lch);
+				const gc = ugc.get(lch);
+				blockResults.push({
+					lch,
+					charName: chName,
+					glyphName: inFontCharSet.has(lch) ? gn : undefined,
+					gc,
+					ck,
+					inFont: inFontCharSet.has(lch)
+				});
+				processed.add(lch);
+			}
+		}
+		if (blockResults.length) {
+			result.push({
+				name: block,
+				characters: blockResults.sort((a, b) => a.lch - b.lch)
+			});
+		}
+	}
+	return result;
+};