doc: Use XREF as anchor prefix in documentation for clearer results in Info viewer. Correctly use @xref, @pxref, @ref macros in documentation. * doc/interpreter/arith.txi, doc/interpreter/basics.txi, doc/interpreter/container.txi, doc/interpreter/debug.txi, doc/interpreter/diagperm.txi, doc/interpreter/eval.txi, doc/interpreter/external.txi, doc/interpreter/func.txi, doc/interpreter/install.txi, doc/interpreter/interp.txi, doc/interpreter/intro.txi, doc/interpreter/java.txi, doc/interpreter/matrix.txi, doc/interpreter/munge-texi.pl, doc/interpreter/numbers.txi, doc/interpreter/package.txi, doc/interpreter/plot.txi, doc/interpreter/sparse.txi, doc/interpreter/stats.txi, doc/interpreter/strings.txi, doc/interpreter/system.txi, doc/interpreter/var.txi, doc/interpreter/vectorize.txi, libinterp/corefcn/error.cc, libinterp/corefcn/qz.cc, libinterp/corefcn/regexp.cc, scripts/general/accumarray.m, scripts/general/structfun.m, scripts/miscellaneous/edit.m, scripts/miscellaneous/setfield.m, scripts/miscellaneous/warning_ids.m, scripts/optimization/fminbnd.m, scripts/optimization/fzero.m, scripts/optimization/lsqnonneg.m: Use XREF as anchor prefix in documentation for clearer results in Info viewer. Correctly use @xref, @pxref, @ref macros in documentation. * scripts/plot/line.m: Remove extra ')' in @deftypefn. * libgui/src/qtinfo/parser.cc(find_ref): Change doc anchor search pattern to XREF.

--- a/scripts/miscellaneous/edit.m	Fri Jul 26 13:15:07 2013 -0700
+++ b/scripts/miscellaneous/edit.m	Sat Jul 27 10:49:21 2013 -0700
@@ -134,7 +134,7 @@
 ## This value determines whether the editor should be started in async mode
 ## (editor is started in the background and Octave continues) or sync mode
 ## (Octave waits until the editor exits).  Set it to "sync" to start the editor
-## in sync mode.  The default is "async" (@pxref{docXsystem,,system}).
+## in sync mode.  The default is "async" (@pxref{XREFsystem,,system}).
 ##
 ## @item editinplace
 ## Determines whether files should be edited in place, without regard to