Convert to lists on sending message

app/src/main/java/eu/faircode/email/HtmlHelper.java

@@ -1192,8 +1192,8 @@ public class HtmlHelper {
                         append(((TextNode) node).text());
                 else {
                     String name = node.nodeName();
-                    if ("li".equals(name))
-                        append("*");
+                    if ("li".equals(name) && node.parent() != null)
+                        append("ol".equals(node.parent().nodeName()) ? "-" : "*");
                     else if ("blockquote".equals(name))
                         qlevel++;
                     else if ("pre".equals(name))
@@ -1259,6 +1259,46 @@ public class HtmlHelper {
         return sb.toString();
     }
 
+    static void convertLists(Document document) {
+        for (Element p : document.select("p")) {
+            Element list = null;
+            for (int i = 0; i < p.childNodeSize(); i++) {
+                boolean item = false;
+                Node node = p.childNode(i);
+                if (node instanceof TextNode) {
+                    String text = ((TextNode) node).text().trim();
+                    Node next = node.nextSibling();
+                    if ((text.startsWith("* ") || text.startsWith("- ")) &&
+                            (next == null || "br".equals(next.nodeName()))) {
+                        item = true;
+                        String type = (text.startsWith("* ") ? "ul" : "ol");
+
+                        Element li = document.createElement("li");
+                        li.text(text.substring(2));
+
+                        if (list == null || !list.tagName().equals(type)) {
+                            list = document.createElement(type);
+                            list.appendChild(li);
+                            node.replaceWith(list);
+                        } else {
+                            list.appendChild(li);
+                            node.remove();
+                            i--;
+                        }
+
+                        if (next != null)
+                            next.remove();
+                    }
+                }
+                if (!item)
+                    list = null;
+            }
+
+            p.tagName("div");
+            p.appendElement("br");
+        }
+    }
+
     static Spanned highlightHeaders(Context context, String headers) {
         int colorAccent = Helper.resolveColor(context, R.attr.colorAccent);
         SpannableStringBuilder ssb = new SpannableStringBuilder(headers);

app/src/main/java/eu/faircode/email/MessageHelper.java

@@ -36,6 +36,7 @@ import com.sun.mail.util.QDecoderStream;
 
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
@@ -513,7 +514,20 @@ public class MessageHelper {
 
         // When sending message
         if (identity != null) {
-            document.select("div[fairemail=signature],div[fairemail=reference]").removeAttr("fairemail");
+            Elements sig = document.select("div[fairemail=signature]");
+            Elements ref = document.select("div[fairemail=reference]");
+            sig.remove();
+            ref.remove();
+
+            HtmlHelper.convertLists(document);
+
+            sig.removeAttr("fairemail");
+            ref.removeAttr("fairemail");
+
+            for (Element e : sig)
+                document.body().appendChild(e);
+            for (Element e : ref)
+                document.body().appendChild(e);
 
             DB db = DB.getInstance(context);
             try {