[range.subrange] Align comments. (#3602)

Author: jensmaurer

source/ranges.tex

@@ -1279,9 +1279,9 @@
 \begin{codeblock}
 namespace std::ranges {
   template<class T>
-    concept @\defexposconcept{pair-like}@ =                                    // \expos
+    concept @\defexposconcept{pair-like}@ =                                     // \expos
       !is_reference_v<T> && requires(T t) {
-        typename tuple_size<T>::type;   // ensures \tcode{tuple_size<T>} is complete
+        typename tuple_size<T>::type;                       // ensures \tcode{tuple_size<T>} is complete
         requires derived_from<tuple_size<T>, integral_constant<size_t, 2>>;
         typename tuple_element_t<0, remove_const_t<T>>;
         typename tuple_element_t<1, remove_const_t<T>>;
@@ -1290,19 +1290,19 @@
       };
 
   template<class T, class U, class V>
-    concept @\defexposconcept{pair-like-convertible-to}@ =                     // \expos
+    concept @\defexposconcept{pair-like-convertible-to}@ =                      // \expos
       !range<T> && @\exposconcept{pair-like}@<remove_reference_t<T>> &&
       requires(T&& t) {
         { get<0>(std::forward<T>(t)) } -> convertible_to<U>;
         { get<1>(std::forward<T>(t)) } -> convertible_to<V>;
       };
 
   template<class T, class U, class V>
-    concept @\defexposconcept{pair-like-convertible-from}@ =                   // \expos
+    concept @\defexposconcept{pair-like-convertible-from}@ =                    // \expos
       !range<T> && @\exposconcept{pair-like}@<T> && constructible_from<T, U, V>;
 
   template<class T>
-    concept @\defexposconcept{iterator-sentinel-pair}@ =                       // \expos
+    concept @\defexposconcept{iterator-sentinel-pair}@ =                        // \expos
       !range<T> && @\exposconcept{pair-like}@<T> &&
       sentinel_for<tuple_element_t<1, T>, tuple_element_t<0, T>>;
 
@@ -1315,7 +1315,7 @@
       K == subrange_kind::sized && !sized_sentinel_for<S, I>;
     I @\exposid{begin_}@ = I();                                             // \expos
     S @\exposid{end_}@ = S();                                               // \expos
-    @\placeholdernc{make-unsigned-like-t}@(iter_difference_t<I>) @\exposid{size_}@ = 0;  // \expos; present only
+    @\placeholdernc{make-unsigned-like-t}@(iter_difference_t<I>) @\exposid{size_}@ = 0;       // \expos; present only
                                                                 // when \exposid{StoreSize} is \tcode{true}
   public:
     subrange() = default;