[flat.multiset.defn] Fix minor errors and inconsistencies

[flat.set.defn] and [flat.multiset.defn] are now formatted identically.
Additionally removed erroenous template parameters in two deduction guides.

Author: Saalvage

source/containers.tex

@@ -17129,8 +17129,8 @@
     friend void swap(flat_set& x, flat_set& y) noexcept { x.swap(y); }
 
   private:
-    container_type @\exposid{c}@;           // \expos
-    key_compare @\exposid{compare}@;        // \expos
+    container_type @\exposidnc{c}@;           // \expos
+    key_compare @\exposidnc{compare}@;        // \expos
   };
 
   template<class KeyContainer, class Compare = less<typename KeyContainer::value_type>>
@@ -17629,7 +17629,7 @@
                   const key_compare& comp = key_compare())
       : @\exposid{c}@(std::move(cont)), @\exposid{compare}@(comp) { }
     template<class Allocator>
-      flat_multiset(sorted_equivalent_t, const container_type&, const Allocator& a);
+      flat_multiset(sorted_equivalent_t, const container_type& cont, const Allocator& a);
     template<class Allocator>
       flat_multiset(sorted_equivalent_t, const container_type& cont,
                     const key_compare& comp, const Allocator& a);
@@ -17795,8 +17795,8 @@
       { x.swap(y); }
 
   private:
-    container_type @\exposid{c}@;       // \expos
-    key_compare @\exposid{compare}@;    // \expos
+    container_type @\exposidnc{c}@;           // \expos
+    key_compare @\exposidnc{compare}@;        // \expos
   };
 
   template<class KeyContainer, class Compare = less<typename KeyContainer::value_type>>
@@ -17823,11 +17823,11 @@
 
   template<class InputIterator, class Compare = less<@\placeholder{iter-value-type}@<InputIterator>>>
     flat_multiset(InputIterator, InputIterator, Compare = Compare())
-      -> flat_multiset<@\placeholder{iter-value-type}@<InputIterator>, @\placeholder{iter-value-type}@<InputIterator>, Compare>;
+      -> flat_multiset<@\placeholder{iter-value-type}@<InputIterator>, Compare>;
 
   template<class InputIterator, class Compare = less<@\placeholder{iter-value-type}@<InputIterator>>>
     flat_multiset(sorted_equivalent_t, InputIterator, InputIterator, Compare = Compare())
-      -> flat_multiset<@\placeholder{iter-value-type}@<InputIterator>, @\placeholder{iter-value-type}@<InputIterator>, Compare>;
+      -> flat_multiset<@\placeholder{iter-value-type}@<InputIterator>, Compare>;
 
   template<ranges::@\libconcept{input_range}@ R, class Compare = less<ranges::range_value_t<R>>,
            class Allocator = allocator<ranges::range_value_t<R>>>