[diagnostics] Whitespace fixes around punctuators

Author: tkoeppe

source/diagnostics.tex

@@ -1118,8 +1118,8 @@
   bool operator<(const error_code& lhs, const error_code& rhs) noexcept;
 
   template <class charT, class traits>
-    basic_ostream<charT,traits>&
-      operator<<(basic_ostream<charT,traits>& os, const error_code& ec);
+    basic_ostream<charT, traits>&
+      operator<<(basic_ostream<charT, traits>& os, const error_code& ec);
 }   // namespace std
 \end{codeblock}
 
@@ -1300,8 +1300,8 @@
 \indexlibrary{\idxcode{error_code}!\idxcode{operator\shl}}%
 \begin{itemdecl}
 template <class charT, class traits>
-  basic_ostream<charT,traits>&
-    operator<<(basic_ostream<charT,traits>& os, const error_code& ec);
+  basic_ostream<charT, traits>&
+    operator<<(basic_ostream<charT, traits>& os, const error_code& ec);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -1332,7 +1332,7 @@
 
     // \ref{syserr.errcondition.modifiers} modifiers:
     void assign(int val, const error_category& cat) noexcept;
-    template<class ErrorConditionEnum>
+    template <class ErrorConditionEnum>
         error_condition& operator=(ErrorConditionEnum e) noexcept;
     void clear() noexcept;