Add spellchecker scripts for Octave and run spellcheck of documentation interpreter/doccheck: New directory for spelling/grammar scripts. interpreter/doccheck/README: Instructions for using scripts. interpreter/doccheck/spellcheck: Script to spellcheck a Texinfo file. interpreter/doccheck/aspell.conf: GNU Aspell configuration file for Octave documentation. interpreter/doccheck/aspell-octave.en.pws: Private Aspell dictionary. interpreter/doccheck/add_to_aspell_dict: Script to add new Octave-specific words to private Aspell dictionary. interpreter/octave.texi: New @nospell macro which forces Aspell to ignore the word marked by the macro. interpreter/mk_doc_cache.m: Skip new @nospell macro when building doc_cache.

--- a/src/DLD-FUNCTIONS/dmperm.cc	Thu Jul 15 12:15:14 2010 +0200
+++ b/src/DLD-FUNCTIONS/dmperm.cc	Sat Jul 17 19:53:01 2010 -0700
@@ -147,8 +147,8 @@
 triangular form.  The values of @var{r} and @var{s} define the boundaries\n\
 of the blocks.  If @var{s} is square then @code{@var{r} == @var{s}}.\n\
 \n\
-The method used is described in: A. Pothen & C.-J. Fan. Computing the block\n\
-triangular form of a sparse matrix. ACM Trans. Math. Software,\n\
+The method used is described in: A. Pothen & C.-J. Fan. @cite{Computing the\n\
+Block Triangular Form of a Sparse Matrix}. ACM Trans. Math. Software,\n\
 16(4):303-324, 1990.\n\
 @seealso{colamd, ccolamd}\n\
 @end deftypefn")