[thread] Blank line between the private and public members

Author: blackteahamburger

source/threads.tex

@@ -2758,6 +2758,7 @@
   template<class T> struct atomic_ref {
   private:
     T* ptr;             // \expos
+
   public:
     using value_type = T;
     static constexpr size_t required_alignment = @\impdefx{required alignment for \tcode{atomic_ref} type's operations}@;
@@ -3197,7 +3198,8 @@
 namespace std {
   template<> struct atomic_ref<@\placeholder{integral-type}@> {
   private:
-    @\placeholder{integral-type}@* ptr;        // \expos
+    @\placeholder{integral-type}@* ptr;         // \expos
+
   public:
     using value_type = @\placeholder{integral-type}@;
     using difference_type = value_type;
@@ -3330,7 +3332,8 @@
 namespace std {
   template<> struct atomic_ref<@\placeholder{floating-point-type}@> {
   private:
-    @\placeholder{floating-point-type}@* ptr;  // \expos
+    @\placeholder{floating-point-type}@* ptr;   // \expos
+
   public:
     using value_type = @\placeholder{floating-point-type}@;
     using difference_type = value_type;
@@ -3438,6 +3441,7 @@
   template<class T> struct atomic_ref<T*> {
   private:
     T** ptr;        // \expos
+
   public:
     using value_type = T*;
     using difference_type = ptrdiff_t;