maint: untabify and remove trailing whitespace from source files * bicg.m, gmres.m, pkg.m: Untabify and remove trailing whitespace. * libcruft/Makefile.am, libcruft/blas-xtra/cdotc3.f, libcruft/blas-xtra/cmatm3.f, libcruft/blas-xtra/ddot3.f, libcruft/blas-xtra/dmatm3.f, libcruft/blas-xtra/sdot3.f, libcruft/blas-xtra/smatm3.f, libcruft/blas-xtra/zdotc3.f, libcruft/blas-xtra/zmatm3.f, libcruft/lapack-xtra/crsf2csf.f, libcruft/lapack-xtra/zrsf2csf.f, liboctave/Array.cc, liboctave/DASPK-opts.in, liboctave/DASRT-opts.in, liboctave/DASSL-opts.in, liboctave/LSODE-opts.in, liboctave/Makefile.a,mliboctave/Quad-opts.in, liboctave/Sparse-perm-op-defs.h, scripts/Makefile.a,mscripts/deprecated/glpkmex.m, scripts/general/blkdiag.m, scripts/general/interp1.m, scripts/general/profshow.m, scripts/general/quadl.m, scripts/general/triplequad.m, scripts/help/__makeinfo__.m, scripts/io/strread.m, scripts/io/textread.m, scripts/io/textscan.m, scripts/linear-algebra/rank.m, scripts/miscellaneous/gzip.m, scripts/miscellaneous/private/__xzip__.m, scripts/miscellaneous/tempdir.m, scripts/miscellaneous/unpack.m, scripts/pkg/pkg.m, scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/cla.m, scripts/plot/clf.m, scripts/plot/findall.m, scripts/plot/findobj.m, scripts/plot/gca.m, scripts/plot/gcf.m, scripts/plot/hggroup.m, scripts/plot/isfigure.m, scripts/plot/ishghandle.m, scripts/plot/legend.m, scripts/plot/line.m, scripts/plot/loglog.m, scripts/plot/patch.m, scripts/plot/print.m, scripts/plot/private/__quiver__.m, scripts/plot/private/__scatter__.m, scripts/plot/rectangle.m, scripts/plot/semilogx.m, scripts/plot/semilogy.m, scripts/plot/surface.m, scripts/plot/text.m, scripts/plot/title.m, scripts/plot/trisurf.m, scripts/plot/view.m, scripts/plot/whitebg.m, scripts/plot/xlabel.m, scripts/plot/xlim.m, scripts/plot/ylabel.m, scripts/plot/ylim.m, scripts/plot/zlabel.m, scripts/plot/zlim.m, scripts/polynomial/mkpp.m, scripts/polynomial/polygcd.m, scripts/polynomial/ppint.m, scripts/polynomial/ppjumps.m, scripts/polynomial/ppval.m, scripts/set/setxor.m, scripts/sparse/bicgstab.m, scripts/sparse/cgs.m, scripts/sparse/spconvert.m, scripts/specfun/nthroot.m, scripts/strings/strmatch.m, scripts/strings/untabify.m, scripts/testfun/demo.m, scripts/testfun/example.m, src/DLD-FUNCTIONS/filter.cc, src/DLD-FUNCTIONS/mgorth.cc, src/DLD-FUNCTIONS/quadcc.cc, src/DLD-FUNCTIONS/str2double.cc, src/Makefile.a,msrc/gl-render.cc, src/gl2ps-renderer.cc, src/graphics.cc, src/octave-config.cc.in, src/octave-config.in, src/ov-class.h, src/ov-fcn.h, src/profiler.cc, src/profiler.h, src/pt-binop.cc, src/pt-unop.cc, src/symtab.cc, src/txt-eng-ft.cc: Remove trailing whitespace.

--- a/scripts/polynomial/ppval.m
+++ b/scripts/polynomial/ppval.m
@@ -18,12 +18,12 @@
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {@var{yi} =} ppval (@var{pp}, @var{xi})
-## Evaluate piece-wise polynomial structure @var{pp} at the points @var{xi}.  
+## Evaluate piece-wise polynomial structure @var{pp} at the points @var{xi}.
 ## If @var{pp} describes a scalar polynomial function, the result is an
 ## array of the same shape as @var{xi}.
 ## Otherwise, the size of the result is @code{[pp.dim, length(@var{xi})]} if
 ## @var{xi} is a vector, or @code{[pp.dim, size(@var{xi})]} if it is a
-## multi-dimensional array.  
+## multi-dimensional array.
 ##
 ##, the dimensions are permuted as
 ## in interp1, to
@@ -43,13 +43,13 @@
 
   ## Extract info.
   [x, P, n, k, d] = unmkpp (pp);
-  
+
   ## dimension checks
   sxi = size (xi);
   if (isvector (xi))
     xi = xi(:).';
   endif
-  
+
   nd = length (d);
 
   ## Determine intervals.
@@ -60,7 +60,7 @@
   P = shiftdim (P, nd);
   P = reshape (P, [n, k, d]);
   Pidx = P(idx(:), :);#2d matrix size x: coefs*prod(d) y: prod(sxi)
-  
+
   if (isvector(xi))
     Pidx = reshape (Pidx, [xn, k, d]);
     Pidx = shiftdim (Pidx, 1);
@@ -83,12 +83,12 @@
   if (k > 1)
     yi = shiftdim (reshape (Pidx(1,:), dimvec), ndv - 1);
   endif
-  
+
   for i = 2 : k;
     yi .*= dx;
     yi += shiftdim (reshape (Pidx(i,:), dimvec), ndv - 1);
   endfor
-  
+
   ## Adjust shape.
   if ((numel (xi) > 1) || (length (d) == 1))
     yi = reshape (shiftdim (yi, 1), dimvec);
@@ -104,7 +104,7 @@
   #if (d == 1)
   #  yi = reshape (yi, sxi);
   #endif
-  
+
 endfunction
 
 %!shared b,c,pp,pp2,xi,abserr