-"char" $|$ "class" $|$ "code" $|$ "const" $|$ "double" $|$ "enum" $|$
-"extern" $|$ "float" $|$ "import" $|$ "int" $|$ "lisp" $|$ "load" $|$ "long"
-$|$ "restrict" $|$ "short" $|$ "signed" $|$ "struct" $|$ "typename" $|$
-"union" $|$ "unsigned" $|$ "void" $|$ "volatile"
+"char" | "class" | "code" | "const" | "double" | "enum" |
+"extern" | "float" | "import" | "int" | "lisp" | "load" | "long"
+| "restrict" | "short" | "signed" | "struct" | "typename" |
+"union" | "unsigned" | "void" | "volatile"