[utilities] Use "\expos" instead of "exposition only" in declarations.

Author: Dawn Perchik

source/utilities.tex

@@ -1705,7 +1705,7 @@
 Given the exposition-only function:
 \begin{codeblock}
 template<class T, class Tuple, size_t... I>
-constexpr T @\placeholdernc{make-from-tuple-impl}@(Tuple&& t, index_sequence<I...>) {     // exposition only
+constexpr T @\placeholdernc{make-from-tuple-impl}@(Tuple&& t, index_sequence<I...>) {     // \expos
   return T(get<I>(std::forward<Tuple>(t))...);
 }
 \end{codeblock}
@@ -7924,7 +7924,7 @@
 
 \begin{itemdecl}
 template<class I>
-concept @\placeholdernc{no-throw-input-iterator}@ = // exposition only
+concept @\placeholdernc{no-throw-input-iterator}@ = // \expos
   input_iterator<I> &&
   is_lvalue_reference_v<iter_reference_t<I>> &&
   same_as<remove_cvref_t<iter_reference_t<I>>, iter_value_t<I>>;
@@ -7947,7 +7947,7 @@
 
 \begin{itemdecl}
 template<class S, class I>
-concept @\placeholdernc{no-throw-sentinel}@ = sentinel_for<S, I>; // exposition only
+concept @\placeholdernc{no-throw-sentinel}@ = sentinel_for<S, I>; // \expos
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -7966,7 +7966,7 @@
 
 \begin{itemdecl}
 template<class R>
-concept @\placeholdernc{no-throw-input-range}@ = // exposition only
+concept @\placeholdernc{no-throw-input-range}@ = // \expos
   range<R> &&
   @\placeholder{no-throw-input-iterator}@<iterator_t<R>> &&
   @\placeholdernc{no-throw-sentinel}@<sentinel_t<R>, iterator_t<R>>;
@@ -7981,7 +7981,7 @@
 
 \begin{itemdecl}
 template<class I>
-concept @\placeholdernc{no-throw-forward-iterator}@ = // exposition only
+concept @\placeholdernc{no-throw-forward-iterator}@ = // \expos
   @\placeholder{no-throw-input-iterator}@<I> &&
   forward_iterator<I> &&
   @\placeholdernc{no-throw-sentinel}@<I, I>;
@@ -7997,7 +7997,7 @@
 
 \begin{itemdecl}
 template<class R>
-concept @\placeholdernc{no-throw-forward-range}@ = // exposition only
+concept @\placeholdernc{no-throw-forward-range}@ = // \expos
   @\placeholder{no-throw-input-range}@<R> &&
   @\placeholder{no-throw-forward-iterator}@<iterator_t<R>>;
 \end{itemdecl}