More math components

src/file/paragraph/math/brackets/math-beginning-character.ts

@@ -0,0 +1,14 @@
+// http://www.datypic.com/sc/ooxml/e-m_begChr-1.html
+import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
+
+class MathBeginningCharacterAttributes extends XmlAttributeComponent<{ readonly character: string }> {
+    protected readonly xmlKeys = { character: "m:val" };
+}
+
+export class MathBeginningCharacter extends XmlComponent {
+    constructor(character: string) {
+        super("m:begChr");
+
+        this.root.push(new MathBeginningCharacterAttributes({ character }));
+    }
+}