[special.mem.concepts] Add \libconcept (#5668)

Author: hewillk

source/algorithms.tex

@@ -10418,7 +10418,7 @@
 \begin{itemdecl}
 template<class R>
 concept @\defexposconcept{nothrow-input-range}@ = // \expos
-  range<R> &&
+  @\libconcept{range}@<R> &&
   @\exposconcept{nothrow-input-iterator}@<iterator_t<R>> &&
   @\exposconcept{nothrow-sentinel-for}@<sentinel_t<R>, iterator_t<R>>;
 \end{itemdecl}