fix up FAQ

_overviews/FAQ/index.md

@@ -65,6 +65,16 @@ get poor results, try surrounding the symbol with double quotes.
 
 ## Specific technical questions
 
+### Why is my (abstract or overridden) `val` null?
+
+<!-- this is left over from a previous version of the FAQ.
+so, grandfathering this in, but I suggest we not host any further FAQ
+answers here, I think it's better to provide only short answers and
+links. if something needs more space to explain, there should be
+official documentation that addresses it, not just an FAQ answer -->
+
+[answer]({{ site.baseurl }}/tutorials/FAQ/initialization-order.html)
+
 ### Which type of collection should I choose?
 
 see the [Scala 2.13 Collections Guide](https://docs.scala-lang.org/overviews/collections-2.13/introduction.html)
@@ -81,7 +91,7 @@ see the [Scala 2.13 Collections Guide](https://docs.scala-lang.org/overviews/col
 
 [answer on Stack Overflow](https://stackoverflow.com/a/5159356)
 
-### How can I chain/nest implicit conversions?
+### Can I chain or nest implicit conversions?
 
 [answer on Stack Overflow](https://stackoverflow.com/a/5332804)
 
@@ -99,14 +109,3 @@ equivalents, such as `List[java.lang.Integer]`?
 One would hope so, but doing it that way was tried and it proved
 impossible.  [This SO question](https://stackoverflow.com/questions/11167430/why-are-primitive-types-such-as-int-erased-to-object-in-scala)
 sadly lacks a concise explanation, but it does link to past discussions.
-
-## More questions
-
-{% assign overviews = site.overviews | sort: 'num' %}
-<ul>
-{% for overview in overviews %}
-  {% if overview.partof == "FAQ" %}
-    <li><a href="{{ site.baseurl }}{{ overview.url }}">{{ overview.title }}</a></li>
-  {% endif %}
-{% endfor %}
-</ul>

_overviews/FAQ/initialization-order.md

@@ -2,13 +2,11 @@
 layout: multipage-overview
 title: Why is my abstract or overridden val null?
 overview-name: FAQ
-partof: FAQ
-
-num: 9
 permalink: /tutorials/FAQ/:title.html
 ---
 
 ## Example
+
 To understand the problem, let's pick the following concrete example.
 
     abstract class A {

index.md

@@ -47,8 +47,8 @@ sections:
         description: "A handy cheatsheet covering the basics of Scala's syntax."
         icon: "fa fa-list"
         link: /cheatsheets/index.html
-      - title: "Scala FAQs"
-        description: "A list of frequently-asked questions about Scala language features and their answers."
+      - title: "Scala FAQ"
+        description: "Answers to frequently-asked questions about Scala."
         icon: "fa fa-question-circle"
         link: /tutorials/FAQ/index.html
       - title: "Language Spec"