FIXUP (lib) misc fixes

Author: tkoeppe

source/meta.tex

@@ -4242,7 +4242,7 @@
 \begin{itemdescr}
 \pnum
 Given a program point $P$,
-let \tcode{\exposid{eval-point}(P)} be the following program point:
+let \tcode{\exposid{eval-point}($P$)} be the following program point:
 \begin{itemize}
 \item
   If a potentially-evaluated subexpression\iref{intro.execution}
@@ -4567,7 +4567,7 @@
 \pnum
 \returns
 \tcode{true} if \tcode{is_accessible($R$, ctx)} is \tcode{false}
-for any $R$ in \tcode{bases_of(\brk{}r, access_context\brk{}::unchecked())}.
+for any $R$ in \tcode{bases_of(\brk{}r, access_context::\brk{}unchecked())}.
 Otherwise, \tcode{false}.
 \end{itemdescr}
 
@@ -5102,15 +5102,12 @@
 \effects
 Equivalent to:
 \begin{codeblock}
-%FIXME: this is inconsistent with reflect_constant,
-%which uses if constexpr,
-%and presumably, we could do the same here, with the same semantics.
-if (is_reference_type(^^T)) {
+if constexpr (is_reference_type(^^T)) {
   return @\exposid{extract-ref}@<T>(r);
 } else if constexpr (is_nonstatic_data_member(r) || is_function(r)) {
-  return @\exposid{extract-member-or-function}@<T>(r);
+  return @\exposid{extract-member-or-function}@<U>(r);
 } else {
-  return @\exposid{extract-value}@<T>(constant_of(r));
+  return @\exposid{extract-value}@<U>(constant_of(r));
 }
 \end{codeblock}
 \end{itemdescr}
@@ -5219,7 +5216,7 @@
 \indexlibraryglobal{reflect_constant}%
 \begin{itemdecl}
 template<class T>
-  consteval info reflect_constant(T expr);     // \expos
+  consteval info reflect_constant(T expr);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -5271,7 +5268,8 @@
 static_assert(r2 == template_arguments_of(^^A<N{42}>)[0]);
 
 constexpr info r3 = reflect_constant(K{nullptr});   // OK
-constexpr info r4 = reflect_constant(K{"ebab"});    // error: constituent pointer points to string literal
+constexpr info r4 = reflect_constant(K{"ebab"});    // error: constituent pointer
+                                                    // points to string literal
 \end{codeblock}
 \end{example}
 \end{itemdescr}