Fix typos in discussion in 4198. Add LWG comments

Author: jwakely

xml/issue4198.xml

@@ -18,18 +18,18 @@ Imported from <a href="https://github.com/cplusplus/sender-receiver/issues/304">
 <pre><code>
 []&lt;class Tag, class... Args&gt;(auto, auto&amp; state, auto&amp; rcvr, Tag, Args&amp;&amp;... args) noexcept
     -> void {
-  using result_t = decayed-tuple&lt;Tag, Args...&gt;;
+  using result_t = <i>decayed-tuple</i>&lt;Tag, Args...&gt;;
   constexpr bool nothrow = is_nothrow_constructible_v&lt;result_t, Tag, Args...&gt;;
 
   try {
-    state.async-result.template emplace&lt;result_t&gt;(Tag(), std::forward&lt;Args&gt;(args)...);
+    state.<i>async-result</i>.template emplace&lt;result_t&gt;(Tag(), std::forward&lt;Args&gt;(args)...);
   } catch (...) {
     if constexpr (!nothrow) {
       set_error(std::move(rcvr), current_exception());
       return;
     }
   }
-  start(state.op-state);
+  start(state.<i>op-state</i>);
 };
 </code></pre>
 
@@ -42,18 +42,17 @@ The right thing, i think, is to catch the exception, emplace the `exception_ptr`
 <pre><code>
 []&lt;class Tag, class... Args&gt;(auto, auto&amp; state, auto&amp; rcvr, Tag, Args&amp;&amp;... args) noexcept
     -> void {
-  using result_t = decayed-tuple&lt;Tag, Args...&gt;;
+  using result_t = <i>decayed-tuple</i>&lt;Tag, Args...&gt;;
   constexpr bool nothrow = is_nothrow_constructible_v&lt;result_t, Tag, Args...&gt;;
 
   try {
-    state.async-result.template emplace&lt;result_t&gt;(Tag(), std::forward&lt;Args&gt;(args)...);
+    state.<i>async-result</i>.template emplace&lt;result_t&gt;(Tag(), std::forward&lt;Args&gt;(args)...);
   } catch(...) {
-    if constexpr (nothrow)
-      state.async-result.template emplace&lt;tuple&lt;set_error_t, exception_ptr&gt;&gt;(set_error, current_exception());
-    }
+    if constexpr (!nothrow)
+      state.<i>async-result</i>.template emplace&lt;tuple&lt;set_error_t, exception_ptr&gt;&gt;(set_error, current_exception());
   }
 
-  start(state.op-state);
+  start(state.<i>op-state</i>);
 }
 </code></pre>
 
@@ -96,6 +95,11 @@ except with duplicate types removed.
 Set priority to 1 after reflector poll.
 </p>
 
+<note>Hagenberg 2025-02-10; LWG</note>
+<p>
+Direction seems right. Decay-copyable is not a defined term.
+</p>
+
 </discussion>
 
 <resolution>