Implement 2 word argument support

Rakefile

@@ -37,18 +37,36 @@ end
 desc 'Convert previous stage language into the current stage language'
 task :convert do
   File.open('boot/stage23/cl.elna', 'w') do |current_stage|
-    seen_var = false
+    seen_proc = false
 
     File.readlines('boot/stage22/cl.elna').each do |line|
-      if line.start_with? 'var'
-        seen_var = true 
-        current_stage << "var\n"
-      elsif line.start_with? 'begin'
-        seen_var = false
-        current_stage << "begin\n"
-      elsif seen_var && line.end_with?(";\n")
-        current_stage << line[0..-3]
-        current_stage << "\n"
+      if line.start_with? 'proc'
+        seen_proc = true 
+        current_stage << line
+      elsif seen_proc && line.start_with?('begin')
+        seen_proc = false
+        current_stage << line
+      elsif !seen_proc && line.start_with?('begin')
+        current_stage << <<~CODE
+          proc g(location: ElnaLocation)
+          begin
+          \tprintf("# %i %i\\n\\0", location.line, location.column)
+          end
+
+          proc f()
+          var
+          \tlocation: ElnaLocation
+          begin
+          \tlocation.line := 2;
+          \tlocation.column := 3;
+          \tg(location)
+          end
+
+        CODE
+        current_stage << line
+        current_stage << <<~CODE
+          \tf();
+        CODE
       else
         current_stage << line
       end