[iterator.concept.winc], [thread.sema.cnt] Use new \expos command

Author: opensdh

source/iterators.tex

@@ -1283,10 +1283,10 @@
 \indexlibrary{\idxcode{weakly_incrementable}}%
 \begin{codeblock}
 template<class T>
-  inline constexpr bool @\placeholder{is-integer-like}@ = @\seebelow@; @\itcorr[-2]@           // exposition only
+  inline constexpr bool @\placeholder{is-integer-like}@ = @\seebelow@; @\itcorr[-2]@           // \expos
 
 template<class T>
-  inline constexpr bool @\placeholder{is-signed-integer-like}@ = @\seebelow@; @\itcorr[-2]@    // exposition only
+  inline constexpr bool @\placeholder{is-signed-integer-like}@ = @\seebelow@; @\itcorr[-2]@    // \expos
 
 template<class I>
   concept weakly_incrementable =

source/threads.tex

@@ -4739,7 +4739,7 @@
       bool try_acquire_until(const chrono::time_point<Clock, Duration>& abs_time);
 
   private:
-    ptrdiff_t counter; // exposition only
+    ptrdiff_t counter; // \expos
   };
 }
 \end{codeblock}