[exec.bulk, exec.spawn.future] Fix escaping and comment alignment

Author: tkoeppe

source/exec.tex

@@ -4225,7 +4225,7 @@
 
 \begin{itemdecl}
 template<class Sndr, class... Env>
-  static consteval void \exposid{check-types}();
+  static consteval void @\exposid{check-types}@();
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -4254,7 +4254,7 @@
     static constexpr auto @\exposid{complete}@ = @\seebelow@;
 
     template<class Sndr, class... Env>
-      static consteval void \exposid{check-types}();
+      static consteval void @\exposid{check-types}@();
   };
 }
 \end{codeblock}
@@ -5394,16 +5394,16 @@
 \begin{codeblock}
 namespace std::execution {
   template<class Alloc, @\libconcept{scope_token}@ Token, @\libconcept{sender}@ Sender, class Env>
-  struct @\exposid{spawn-future-state}@                                                 // \expos
+  struct @\exposidnc{spawn-future-state}@                                                 // \expos
     : @\exposid{spawn-future-state-base}@<completion_signatures_of_t<@\exposid{future-spawned-sender}@<Sender, Env>>> {
-    using @\exposid{sigs-t}@ =                                                          // \expos
+    using @\exposidnc{sigs-t}@ =                                                          // \expos
       completion_signatures_of_t<@\exposid{future-spawned-sender}@<Sender, Env>>;
-    using @\exposid{receiver-t}@ =                                                      // \expos
+    using @\exposidnc{receiver-t}@ =                                                      // \expos
       @\exposid{spawn-future-receiver}@<@\exposid{sigs-t}@>;
-    using @\exposid{op-t}@ =                                                            // \expos
+    using @\exposidnc{op-t}@ =                                                            // \expos
       connect_result_t<@\exposid{future-spawned-sender}@<Sender, Env>, @\exposid{receiver-t}@>;
 
-    @\exposid{spawn-future-state}@(Alloc alloc, Sender&& sndr, Token token, Env env)    // \expos
+    @\exposidnc{spawn-future-state}@(Alloc alloc, Sender&& sndr, Token token, Env env)    // \expos
       : @\exposid{alloc}@(std::move(alloc)),
         @\exposid{op}@(connect(
           write_env(@\exposid{stop-when}@(std::forward<Sender>(sndr), @\exposid{ssource}@.get_token()), std::move(env)),
@@ -5415,19 +5415,20 @@
             set_stopped(@\exposid{receiver-t}@(this));
         }
 
-    void @\exposid{complete}@() noexcept override;                                      // \expos
-    void @\exposid{consume}@(@\libconcept{receiver}@ auto& rcvr) noexcept;                             // \expos
-    void @\exposid{abandon}@() noexcept;                                                // \expos
+    void @\exposidnc{complete}@() noexcept override;                                      // \expos
+    void @\exposidnc{consume}@(@\libconcept{receiver}@ auto& rcvr) noexcept;                             // \expos
+    void @\exposidnc{abandon}@() noexcept;                                                // \expos
 
   private:
-    using @\exposid{assoc-t}@ = remove_cvref_t<decltype(declval<Token&>().try_associate())>;  // \expos
+    using @\exposidnc{assoc-t}@ =                                                         // \expos
+      remove_cvref_t<decltype(declval<Token&>().try_associate())>;
 
-    Alloc @\exposid{alloc}@;                                                                  // \expos
-    @\exposid{ssource-t}@ @\exposid{ssource}@;                                                      // \expos
-    @\exposid{op-t}@ @\exposid{op}@;                                                                // \expos
-    @\exposid{assoc-t}@ @\exposid{assoc}@;                                                          // \expos
+    Alloc @\exposidnc{alloc}@;                                                            // \expos
+    @\exposidnc{ssource-t}@ @\exposidnc{ssource}@;                                                      // \expos
+    @\exposidnc{op-t}@ @\exposidnc{op}@;                                                                // \expos
+    @\exposidnc{assoc-t}@ @\exposidnc{assoc}@;                                                          // \expos
 
-    void @\exposid{destroy}@() noexcept;                                                // \expos
+    void @\exposidnc{destroy}@() noexcept;                                                // \expos
   };
 
   template<class Alloc, @\libconcept{scope_token}@ Token, @\libconcept{sender}@ Sender, class Env>        // \expos