--- a/src/data.cc	Mon Mar 30 19:48:56 2009 -0400
+++ b/src/data.cc	Sat Mar 28 13:57:22 2009 -0700
@@ -737,7 +737,7 @@
   "-*- texinfo -*-\n\
 @deftypefn {Mapping Function} {} hypot (@var{x}, @var{y})\n\
 Compute square-root of the squares of @var{x} and @var{y}\n\
-element-by-element. This equivalent to @code{sqrt (@var{x}.^ 2 + @var{y}\n\
+element-by-element.  This equivalent to @code{sqrt (@var{x}.^ 2 + @var{y}\n\
 .^ 2)}, but calculated in a manner that avoids overflows for large\n\
 values of @var{x} or @var{y}.\n\
 @end deftypefn")
@@ -992,11 +992,11 @@
 DEFUN (log2, args, nargout,
   "-*- texinfo -*-\n\
 @deftypefn {Mapping Function} {} log2 (@var{x})\n\
-@deftypefnx {Mapping Function} {[@var{f}, @var{e}] = } log2 (@var{x})\n\
+@deftypefnx {Mapping Function} {[@var{f}, @var{e}] =} log2 (@var{x})\n\
 Compute the base-2 logarithm for each element of @var{x}.\n\
 If called with two output arguments, split @var{x} to\n\
 binary mantissa and exponent so that @code{1/2 <= abs(f) < 1} and\n\
-@var{e} is an integer. If @code{x = 0}, @code{f = e = 0}.\n\
+@var{e} is an integer.  If @code{x = 0}, @code{f = e = 0}.\n\
 @seealso{log, log10, log2, exp}\n\
 @end deftypefn")
 {
@@ -2263,7 +2263,7 @@
 @deftypefn {Built-in Function} {} length (@var{a})\n\
 Return the `length' of the object @var{a}.  For matrix objects, the\n\
 length is the number of rows or columns, whichever is greater (this\n\
-odd definition is used for compatibility with @sc{Matlab}).\n\
+odd definition is used for compatibility with @sc{matlab}).\n\
 @end deftypefn")
 {
   octave_value retval;
@@ -2356,8 +2356,10 @@
 corresponding dimension.  For example\n\
 \n\
 @example\n\
+@group\n\
 size ([1, 2; 3, 4; 5, 6], 2)\n\
      @result{} 2\n\
+@end group\n\
 @end example\n\
 \n\
 @noindent\n\
@@ -2490,7 +2492,7 @@
 @deftypefn {Built-in Function} {@var{scalar} =} nzmax (@var{SM})\n\
 Return the amount of storage allocated to the sparse matrix @var{SM}.\n\
 Note that Octave tends to crop unused memory at the first opportunity\n\
-for sparse objects. There are some cases of user created sparse objects\n\
+for sparse objects.  There are some cases of user created sparse objects\n\
 where the value returned by @dfn{nzmaz} will not be the same as @dfn{nnz},\n\
 but in general they will give the same result.\n\
 @seealso{sparse, spalloc}\n\
@@ -2552,13 +2554,15 @@
 \n\
 If the optional argument 'native' is given, then the sum is performed\n\
 in the same type as the original argument, rather than in the default\n\
-double type. For example\n\
+double type.  For example\n\
 \n\
 @example\n\
+@group\n\
 sum ([true, true])\n\
   @result{} 2\n\
 sum ([true, true], 'native')\n\
   @result{} true\n\
+@end group\n\
 @end example\n\
 @end deftypefn")
 {
@@ -3802,7 +3806,7 @@
  $1.1921\\times10^{-7}$.\n\
 @end tex\n\
 @end iftex\n\
-for single precision. Given a single argument @var{x}, return the\n\
+for single precision.  Given a single argument @var{x}, return the\n\
 distance between @var{x} and the next largest value.\n\
 @end deftypefn")
 {
@@ -4189,7 +4193,7 @@
 \n\
 Calling @code{eye} with no arguments is equivalent to calling it\n\
 with an argument of 1.  This odd definition is for compatibility\n\
-with @sc{Matlab}.\n\
+with @sc{matlab}.\n\
 @end deftypefn")
 {
   octave_value retval;
@@ -4273,7 +4277,7 @@
 \n\
 The @code{linspace} function always returns a row vector.\n\
 \n\
-For compatibility with @sc{Matlab}, return the second argument if\n\
+For compatibility with @sc{matlab}, return the second argument if\n\
 fewer than two values are requested.\n\
 @end deftypefn")
 {
@@ -4408,10 +4412,12 @@
 is equivalent to the following code:\n\
 \n\
 @example\n\
+@group\n\
   y = zeros (dv, class (x));\n\
   sz = min (dv, size (x));\n\
   for i = 1:length (sz), idx@{i@} = 1:sz(i); endfor\n\
   y(idx@{:@}) = x(idx@{:@});\n\
+@end group\n\
 @end example\n\
 \n\
 @noindent\n\
@@ -4635,7 +4641,7 @@
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} squeeze (@var{x})\n\
 Remove singleton dimensions from @var{x} and return the result.\n\
-Note that for compatibility with @sc{Matlab}, all objects have\n\
+Note that for compatibility with @sc{matlab}, all objects have\n\
 a minimum of two dimensions and row vectors are left unchanged.\n\
 @end deftypefn")
 {
@@ -4719,7 +4725,7 @@
 @end table\n\
 \n\
 If @code{\"rows\"} is given as @var{opt}, the norms of all rows of the matrix @var{a} are\n\
-returned as a column vector. Similarly, if @code{\"columns\"} or @code{\"cols\"} is passed\n\
+returned as a column vector.  Similarly, if @code{\"columns\"} or @code{\"cols\"} is passed\n\
 column norms are computed.\n\
 @seealso{cond, svd}\n\
 @end deftypefn")
@@ -5129,9 +5135,11 @@
 return the number of seconds since the timer was set.  For example,\n\
 \n\
 @example\n\
+@group\n\
 tic ();\n\
-# many computations later...\n\
+# many computations later@dots{}\n\
 elapsed_time = toc ();\n\
+@end group\n\
 @end example\n\
 \n\
 @noindent\n\
@@ -5687,7 +5695,7 @@
   "-*- texinfo -*-\n\
 @deftypefn {Function File} {} issorted (@var{a}, @var{rows})\n\
 Returns true if the array is sorted, ascending or descending.\n\
-NaNs are treated is by @code{sort}. If @var{rows} is supplied and\n\
+NaNs are treated is by @code{sort}.  If @var{rows} is supplied and\n\
 has the value \"rows\", checks whether the array is sorted by rows\n\
 as if output by @code{sortrows} (with no options).\n\
 \n\