doc: Periodic grammar check of documentation. * accumarray.m, repmat.m, imshow.m, strread.m, edit.m, mkoctfile.m, warning_ids.m, glpk.m, lsqnonneg.m, optimset.m, pqpnonneg.m, figure.m, print.m, __print_parse_opts__.m, gmres.m, zscore.m, __init_fltk__.cc, cellfun.cc, nproc.cc, regexp.cc, spparms.cc, dirfns.cc, file-io.cc, load-save.cc, ov-null-mat.cc, ov-usr-fcn.cc, variables.cc: Periodic grammar check of documentation.

--- a/scripts/optimization/optimset.m
+++ b/scripts/optimization/optimset.m
@@ -25,6 +25,7 @@
 ## Create options struct for optimization functions.
 ##
 ## Valid parameters are:
+##
 ## @itemize @bullet
 ## @item AutoScaling
 ##