Better diagnostic when a ccRef is open while the previous one is not yet

closed.

Manual_tools/src/error.cpp

@@ -133,6 +133,8 @@ const char* errorMessage( ErrorNumber n) {
 	return "Conversion-to-Roman-digits parameter out of bounds";
     case AlphaOutOfBoundsError:
 	return "Conversion-to-Alpha-digit parameter out of bounds";
+    case RefPageNotClosedError:
+	return "Previous reference page is not closed";
     case UserDefinedError:
 	return "User defined error message";
     }

Manual_tools/src/error.h

@@ -73,6 +73,7 @@ enum ErrorNumber {
     FileReadOpenError,
     RomansOutOfBoundsError,
     AlphaOutOfBoundsError,
+    RefPageNotClosedError,
     UserDefinedError
 };
 

Manual_tools/src/internal_macros.cpp

@@ -506,6 +506,10 @@ void handleClassFile( string filename) {
         anchor_stream = open_file_for_append_with_path(
             tmp_path + current_filepath + macroX( "\\lciAnchorFilename"));
     }
+    if(class_stream != 0) {
+        printErrorMessage( RefPageNotClosedError);
+        exit(1);
+    }
     class_stream = open_file_for_write_with_path( tmp_path + class_filename);
     current_ostream  = class_stream;