Add Math Summation

src/file/paragraph/math/n-ary/math-naray-properties.ts

@@ -0,0 +1,14 @@
+// http://www.datypic.com/sc/ooxml/e-m_naryPr-1.html
+import { XmlComponent } from "file/xml-components";
+
+import { MathAccentCharacter } from "./math-accent-character";
+import { MathLimitLocation } from "./math-limit-location";
+
+export class MathNArayProperties extends XmlComponent {
+    constructor(readonly accent: string) {
+        super("m:naryPr");
+
+        this.root.push(new MathAccentCharacter(accent));
+        this.root.push(new MathLimitLocation());
+    }
+}