diff --git a/src/obidmscolumn.c b/src/obidmscolumn.c
index 606ed13..bf6e54c 100644
--- a/src/obidmscolumn.c
+++ b/src/obidmscolumn.c
@@ -1217,12 +1217,12 @@ int obi_enlarge_column(OBIDMS_column_p column)
 	}
 
 	column->data  = mmap(NULL,
-					new_data_size,
-					PROT_READ | PROT_WRITE,
-					MAP_SHARED,
-					column_file_descriptor,
-					header_size
-					);
+						 new_data_size,
+						 PROT_READ | PROT_WRITE,
+						 MAP_SHARED,
+						 column_file_descriptor,
+						 header_size
+						);
 	if (column->data == MAP_FAILED)
 	{
 		obi_set_errno(OBICOL_UNKNOWN_ERROR);
@@ -1282,29 +1282,29 @@ void obi_ini_to_NA_values(OBIDMS_column_p column,
 					}
 					break;
 
-	case OBI_QUAL:  for (i=start;i<end;i++)
-					{
-						*(((index_t*) (column->data)) + i) = OBIIdx_NA;
-					}
-					break;
-
-	case OBI_STR:   for (i=start;i<end;i++)
-					{
-						*(((index_t*) (column->data)) + i) = OBIIdx_NA;
-					}
-					break;
-
-	case OBI_SEQ:   for (i=start;i<end;i++)
-					{
-						*(((index_t*) (column->data)) + i) = OBIIdx_NA;
-					}
-					break;
-
 	case OBI_IDX:   for (i=start;i<end;i++)
 					{
 						*(((index_t*) (column->data)) + i) = OBIIdx_NA;
 					}
 					break;
+
+	case OBI_QUAL:  for (i=start;i<end;i++)		// case not used since OBI_QUAL is only a returned_data_type
+					{
+						*(((index_t*) (column->data)) + i) = OBIIdx_NA;
+					}
+					break;
+
+	case OBI_STR:   for (i=start;i<end;i++)		// case not used since OBI_QUAL is only a returned_data_type
+					{
+						*(((index_t*) (column->data)) + i) = OBIIdx_NA;
+					}
+					break;
+
+	case OBI_SEQ:   for (i=start;i<end;i++)		// case not used since OBI_QUAL is only a returned_data_type
+					{
+						*(((index_t*) (column->data)) + i) = OBIIdx_NA;
+					}
+					break;
 	}
 }
 
@@ -1474,12 +1474,12 @@ int obi_column_prepare_to_set_value(OBIDMS_column_p column, index_t line_nb)
 }
 
 
-int obi_column_prepare_to_get_value(OBIDMS_column_p column, index_t line_nb)
+int obi_column_prepare_to_get_value(OBIDMS_column_p column, index_t line_nb)	// TODO problem with some columns in a view being empty or shorter and triggering an error because they've been truncated when the view was closed. Fixed with obiview.c in update_lines() for now
 {
 	if ((line_nb+1) > ((column->header)->line_count))
 	{
 		obi_set_errno(OBICOL_UNKNOWN_ERROR);
-		obidebug(1, "\nError trying to get a value that is beyond the current number of lines used in the column");
+		obidebug(1, "\nError trying to get a value that is beyond the current number of lines of the column");
 		return -1;
 	}
 	return 0;
diff --git a/src/obiview.c b/src/obiview.c
index 62ecff7..7d14d83 100644
--- a/src/obiview.c
+++ b/src/obiview.c
@@ -299,6 +299,7 @@ int update_lines(Obiview_p view, index_t line_count)
 			// Enlarge the column
 			if (obi_enlarge_column((view->columns)[i]) < 0)
 		    	return -1;
+			(((view->columns)[i])->header)->lines_used = line_count;	// TODO Discuss, this means that columns are not truncated below the number of lines in the view. Maybe they should be to save place.
 		}
 	}