Fix Sifara, Thanda, and Yàngban

Closes #1.

lib/convert.js

@@ -195,6 +195,14 @@ function getBodyXML(chapter, contentEl) {
   // it's incorrect to capitalize in the one-off fixes.
   xml = xml.replace(/the clairvoyant/g, "the Clairvoyant");
 
+  // This is consistently missing accents
+  xml = xml.replace(/Yangban/g, "Yàngbǎn");
+
+  // These are usually not italicized, but sometimes are. Other foreign-language names (like Yàngbǎn) are not
+  // italicized, so we go in the direction of removing the italics.
+  xml = xml.replace(/<em>Thanda<\/em>/g, "Thanda");
+  xml = xml.replace(/<em>Sifara([^<]*)<\/em>/g, "Sifara$1");
+
   // One-off fixes
   (substitutions[chapter.url] || []).forEach(substitution => {
     const indexOf = xml.indexOf(substitution.before);