--- a/inst/imopen.m
+++ b/inst/imopen.m
@@ -9,33 +9,33 @@
 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ## GNU General Public License for more details.
-
-## -*- texinfo -*-
-## @deftypefn {Function File} @var{B} = imopen (@var{A}, @var{se})
-## Perform morphological opening on a given image.
-## The image @var{A} must be a grayscale or binary image, and @var{se} must be a
-## structuring element.
-##
-## The opening corresponds to an erosion followed by a dilation of the image, i.e.
-## @example
-## B = imdilate(imerode(A, se), se);
-## @end example
-## @seealso{imdilate, imerode, imclose}
-## @end deftypefn
-
-function retval = imopen(im, se)
-  ## Checkinput
-  if (nargin != 2)
-    print_usage();
-  endif
-  if (!ismatrix(im) || !isreal(im))
-    error("imopen: first input argument must be a real matrix");
-  endif
-  if (!ismatrix(se) || !isreal(se))
-    error("imopen: second input argument must be a real matrix");
-  endif
-  
-  ## Perform filtering
-  retval = imdilate(imerode(im, se), se);
-
-endfunction
+
+## -*- texinfo -*-
+## @deftypefn {Function File} @var{B} = imopen (@var{A}, @var{se})
+## Perform morphological opening on a given image.
+## The image @var{A} must be a grayscale or binary image, and @var{se} must be a
+## structuring element.
+##
+## The opening corresponds to an erosion followed by a dilation of the image, i.e.
+## @example
+## B = imdilate(imerode(A, se), se);
+## @end example
+## @seealso{imdilate, imerode, imclose}
+## @end deftypefn
+
+function retval = imopen(im, se)
+  ## Checkinput
+  if (nargin != 2)
+    print_usage();
+  endif
+  if (!ismatrix(im) || !isreal(im))
+    error("imopen: first input argument must be a real matrix");
+  endif
+  if (!ismatrix(se) || !isreal(se))
+    error("imopen: second input argument must be a real matrix");
+  endif
+  
+  ## Perform filtering
+  retval = imdilate(imerode(im, se), se);
+
+endfunction