Allow entry statement in specification part

Author: ZedThree

grammar.js

@@ -573,6 +573,8 @@ module.exports = grammar({
       $.cray_pointer_declaration,
       // This catches statement functions, which are completely ambiguous
       $.assignment_statement,
+      // This can appear immediately after procedure statement, or after `return`
+      $.entry_statement,
     )),
 
     use_statement: $ => seq(

src/grammar.json

@@ -9377,6 +9377,10 @@
           {
             "type": "SYMBOL",
             "name": "assignment_statement"
+          },
+          {
+            "type": "SYMBOL",
+            "name": "entry_statement"
           }
         ]
       }

src/node-types.json

@@ -127,6 +127,10 @@
         "type": "data_statement",
         "named": true
       },
+      {
+        "type": "entry_statement",
+        "named": true
+      },
       {
         "type": "enum",
         "named": true