[dcl.ambig.res] Add \grammarterm for type-id in comment (#8709)

Author: Andreas-Krug

source/declarations.tex

@@ -2713,19 +2713,19 @@
 \begin{codeblock}
 template <class T> struct X {};
 template <int N> struct Y {};
-X<int()> a;                     // type-id
+X<int()> a;                     // \grammarterm{type-id}
 X<int(1)> b;                    // expression (ill-formed)
-Y<int()> c;                     // type-id (ill-formed)
+Y<int()> c;                     // \grammarterm{type-id} (ill-formed)
 Y<int(1)> d;                    // expression
 
 void foo(signed char a) {
-  sizeof(int());                // type-id (ill-formed)
+  sizeof(int());                // \grammarterm{type-id} (ill-formed)
   sizeof(int(a));               // expression
-  sizeof(int(unsigned(a)));     // type-id (ill-formed)
+  sizeof(int(unsigned(a)));     // \grammarterm{type-id} (ill-formed)
 
-  (int())+1;                    // type-id (ill-formed)
+  (int())+1;                    // \grammarterm{type-id} (ill-formed)
   (int(a))+1;                   // expression
-  (int(unsigned(a)))+1;         // type-id (ill-formed)
+  (int(unsigned(a)))+1;         // \grammarterm{type-id} (ill-formed)
 }
 
 typedef struct BB { int C[2]; } *B, C;