clarified spec

dlib/image_transforms/hough_transform_abstract.h

@@ -224,23 +224,25 @@ namespace dlib
                   Hough transform using operator(), then find the lines you are interested
                   in, and then call find_pixels_voting_for_lines() to determine which
                   pixels in the input image belong to those lines.
-                - This routine returns a vector, call the returned vector CONSTITUENT_POINTS.
-                  It has the following properties:
+                - This routine returns a vector, CONSTITUENT_POINTS, with the following
+                  properties:
                     - #CONSTITUENT_POINTS.size() == hough_points.size()
                     - for all valid i:
                         - Let HP[i] = centered_rect(hough_points[i], angle_window_size, radius_window_size)
                         - Any point in img with a non-zero value that lies on a line
                           corresponding to one of the Hough points in HP[i] is added to
                           CONSTITUENT_POINTS[i].  Therefore, when this routine finishes,
-                      #CONSTITUENT_POINTS[i] will contain all the points in img that voted
-                      for the lines associated with the Hough accumulator bins in HP[i].
+                          #CONSTITUENT_POINTS[i] will contain all the points in img that
+                          voted for the lines associated with the Hough accumulator bins in
+                          HP[i].
                         - #CONSTITUENT_POINTS[i].size() == the number of points in img that
-                      voted for any of the lines HP[i] in Hough space.  Note, however, that if
-                      angle_window_size or radius_window_size are made so large that HP[i]
-                      overlaps HP[j] for i!=j then the overlapping regions of Hough space
-                      are assign to HP[i] or HP[j] arbitrarily.  Therefore, all points in
-                      CONSTITUENT_POINTS are unique, that is, there is no overlap in points
-                      between any element of CONSTITUENT_POINTS.
+                          voted for any of the lines HP[i] in Hough space.  Note, however,
+                          that if angle_window_size or radius_window_size are made so large
+                          that HP[i] overlaps HP[j] for i!=j then the overlapping regions
+                          of Hough space are assign to HP[i] or HP[j] arbitrarily.
+                          Therefore, all points in CONSTITUENT_POINTS are unique, that is,
+                          there is no overlap in points between any two elements of
+                          CONSTITUENT_POINTS.
         !*/
 
         template <