Extensive fixes to dialogue tag punctuation/capitalization

See newly-added code comment for details. This involves a first pass in convert.js then lots of fixups and corrections in substitutions.json.

lib/convert.js

@@ -21,9 +21,7 @@ async function convertChapter(chapter, cachePath, contentPath) {
   const filename = chapter.filename;
   const filePath = path.resolve(cachePath, filename);
 
-  console.log(`- Reading ${filename}`);
   const contents = await fs.readFile(filePath, { encoding: "utf-8" });
-  console.log(`- Read ${filename}`);
 
   const rawChapterJSDOM = new JSDOM(contents);
   const output = getChapterString(chapter, rawChapterJSDOM.window.document);
@@ -199,6 +197,22 @@ function getBodyXML(chapter, contentEl) {
   // Fix extra periods at the end of paragraphs
   xml = xml.replace(/\.\.<\/p>/g, ".</p>");
 
+  // The author often fails to terminate a sentence, instead using a comma after a dialogue tag. For example,
+  // > “I didn’t get much done,” Greg said, “I got distracted by...
+  // This should instead be
+  // > “I didn’t get much done,” Greg said. “I got distracted by...
+  //
+  // Our heuristic is to try to automatically fix this if the dialogue tag is two words (X said/admitted/sighed/etc.).
+  //
+  // This sometimes overcorrects, as in the following example:
+  // > “Basically,” Alec said, “For your powers to manifest, ...
+  // Here instead we should lowercase the "f". We handle that via one-offs in substitutions.json.
+  //
+  // This applies to ~800 instances, so although we have to correct back in substitutions.json a decent number of
+  // times, it definitely pays for itself. Most of the instances we have to correct back we also need to fix the
+  // capitalization anyway, and that's harder to do automatically, since proper names/"I"/etc. stay capitalized.
+  xml = xml.replace(/,” ([A-Za-z]+ [A-Za-z]+), “([A-Z])/g, ",” $1. “$2");
+
   // Replace single-word <i>s with <em>s. Other <i>s are probably erroneous too, but these are known-bad.
   xml = xml.replace(/<i>([A-Za-z]+)<\/i>/g, "<em>$1</em>");