doc: Use Octave coding conventions in @example blocks of docstrings. * accumarray.m, accumdim.m, bar.m, base2dec.m, bincoeff.m, bitcmp.m, bitset.m, celldisp.m, chop.m, clabel.m, cloglog.m, colon.m, compass.m, computer.m, contour3.m, contourc.m, corr.m, cstrcat.m, ctime.m, cylinder.m, date.m, dec2base.m, demo.m, dir.m, dlmwrite.m, expm.m, ezcontourf.m, ezcontour.m, ezmeshc.m, ezmesh.m, ezplot.m, ezsurfc.m, ezsurf.m, feather.m, findobj.m, flipdim.m, fplot.m, genvarname.m, getfield.m, hankel.m, hilb.m, hist.m, idivide.m, index.m, int2str.m, interp1.m, is_leap_year.m, ismember.m, isocolors.m, isonormals.m, isosurface.m, kurtosis.m, legendre.m, linkprop.m, logit.m, logm.m, __makeinfo__.m, __marching_cube__.m, median.m, mkoctfile.m, moment.m, mpoles.m, orderfields.m, pcg.m, pcr.m, plot3.m, plotmatrix.m, polyaffine.m, polygcd.m, poly.m, polyout.m, print.m, qp.m, quadgk.m, qzhess.m, randi.m, rat.m, refreshdata.m, residue.m, rose.m, rot90.m, saveas.m, saveobj.m, shiftdim.m, skewness.m, spaugment.m, spdiags.m, sqp.m, stem.m, str2num.m, strcat.m, strjust.m, strread.m, strsplit.m, structfun.m, subplot.m, subsindex.m, substruct.m, surfl.m, surfnorm.m, svds.m, uimenu.m, union.m, voronoi.m, warning_ids.m, wblpdf.m: Use Octave coding conventions in @example blocks of docstrings.

--- a/scripts/optimization/sqp.m
+++ b/scripts/optimization/sqp.m
@@ -33,8 +33,8 @@
 ##
 ## @example
 ## @group
-##      min phi (x)
-##       x
+## min phi (x)
+##  x
 ## @end group
 ## @end example
 ##
@@ -49,9 +49,9 @@
 ##
 ## @example
 ## @group
-##      g(x)  = 0
-##      h(x) >= 0
-##      lb <= x <= ub
+## g(x)  = 0
+## h(x) >= 0
+## lb <= x <= ub
 ## @end group
 ## @end example
 ##
@@ -102,9 +102,9 @@
 ##
 ## @example
 ## @group
-##                 [ d f(x)   d f(x)        d f(x) ]
-##     transpose ( [ ------   -----   ...   ------ ] )
-##                 [  dx_1     dx_2          dx_N  ]
+##             [ d f(x)   d f(x)        d f(x) ]
+## transpose ( [ ------   -----   ...   ------ ] )
+##             [  dx_1     dx_2          dx_N  ]
 ## @end group
 ## @end example
 ##
@@ -155,7 +155,7 @@
 ## endfunction
 ##
 ## function obj = phi (x)
-##   obj = exp(prod(x)) - 0.5*(x(1)^3+x(2)^3+1)^2;
+##   obj = exp (prod (x)) - 0.5*(x(1)^3+x(2)^3+1)^2;
 ## endfunction
 ##
 ## x0 = [-1.8; 1.7; 1.9; -0.8; -0.8];