--- a/scripts/linear-algebra/norm.m
+++ b/scripts/linear-algebra/norm.m
@@ -1,48 +1,49 @@
-# Copyright (C) 1996 John W. Eaton
-# 
-# This file is part of Octave.
-# 
-# Octave is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the
-# Free Software Foundation; either version 2, or (at your option) any
-# later version.
-# 
-# Octave is distributed in the hope that it will be useful, 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.
-# 
-# You should have received a copy of the GNU General Public License
-# along with Octave; see the file COPYING.  If not, write to the Free
-# Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+### Copyright (C) 1996 John W. Eaton
+###
+### This file is part of Octave.
+###
+### Octave is free software; you can redistribute it and/or modify it
+### under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 2, or (at your option)
+### any later version.
+###
+### Octave is distributed in the hope that it will be useful, 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.
+###
+### You should have received a copy of the GNU General Public License
+### along with Octave; see the file COPYING.  If not, write to the Free
+### Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+### 02111-1307, USA.
 
 function retval = norm (x, p)
 
-# usage: norm (x, p)
-#
-# Compute the p-norm of x.
-#
-# If x is a matrix:
-#
-#   value of p     norm returns
-#   ----------     ------------
-#       1          1-norm, the largest column sum of x
-#       2          largest singular value of x
-#      Inf         infinity norm, the largest row sum of x
-#     "inf"        same as Inf
-#     "fro"        Frobenius norm of x, sqrt (sum (diag (x' * x)))
-#
-# If x is a vector or a scalar:
-#
-#   value of p     norm returns
-#   ----------     ------------
-#      Inf         max (abs (x))
-#     -Inf         min (abs (x))
-#     other        p-norm of x, sum (abs (x) .^ p) ^ (1/p)
-#
-# If the second argument is missing, p = 2 is assumed.
-#
-# See also: cond, svd
+  ## usage: norm (x, p)
+  ##
+  ## Compute the p-norm of x.
+  ##
+  ## If x is a matrix:
+  ##
+  ##   value of p     norm returns
+  ##   ----------     ------------
+  ##       1          1-norm, the largest column sum of x
+  ##       2          largest singular value of x
+  ##      Inf         infinity norm, the largest row sum of x
+  ##     "inf"        same as Inf
+  ##     "fro"        Frobenius norm of x, sqrt (sum (diag (x' * x)))
+  ##
+  ## If x is a vector or a scalar:
+  ##
+  ##   value of p     norm returns
+  ##   ----------     ------------
+  ##      Inf         max (abs (x))
+  ##     -Inf         min (abs (x))
+  ##     other        p-norm of x, sum (abs (x) .^ p) ^ (1/p)
+  ##
+  ## If the second argument is missing, p = 2 is assumed.
+  ##
+  ## See also: cond, svd
 
   if (nargin < 1 || nargin > 2)
     error ("usage: norm (x [, p])");
@@ -53,7 +54,7 @@
     return;
   endif
 
-# Do we have a vector or matrix as the first argument?
+  ## Do we have a vector or matrix as the first argument?
 
   if (rows (x) == 1 || columns (x) == 1)