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diff src/ov-usr-fcn.cc @ 13951:79aa00a94e9e

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doc: Document "local" option for configuration variables. * svd.cc, defaults.cc, dirfns.cc, error.cc, help.cc, input.cc, load-save.cc, ls-oct-ascii.cc, oct-hist.cc, ov-base.cc, ov-range.cc, ov-struct.cc, ov-usr-fcn.cc, pager.cc, pr-output.cc, pt-binop.cc, pt-eval.cc, pt-mat.cc, sighandlers.cc, variables.cc: Document "local" option for configuration variables.
author Rik <octave@nomad.inbox5.com>
date Sun, 27 Nov 2011 16:07:13 -0800
parents daf81e42960c
children a74954d70c18 72c96de7a403
line wrap: on
line diff
--- a/src/ov-usr-fcn.cc	Sun Nov 27 09:01:37 2011 -0500
+++ b/src/ov-usr-fcn.cc	Sun Nov 27 16:07:13 2011 -0800
@@ -775,9 +775,14 @@
   "-*- texinfo -*-\n\
 @deftypefn  {Built-in Function} {@var{val} =} optimize_subsasgn_calls ()\n\
 @deftypefnx {Built-in Function} {@var{old_val} =} optimize_subsasgn_calls (@var{new_val})\n\
+@deftypefnx {Built-in Function} {} optimize_subsasgn_calls (@var{new_val}, \"local\")\n\
 Query or set the internal flag for subsasgn method call optimizations.\n\
 If true, Octave will attempt to eliminate the redundant copying when calling\n\
 subsasgn method of a user-defined class.\n\
+\n\
+When called from inside a function with the \"local\" option, the variable is\n\
+changed locally for the function and any subroutines it calls.  The original\n\
+variable value is restored when exiting the function.\n\
 @end deftypefn")
 {
   return SET_INTERNAL_VARIABLE (optimize_subsasgn_calls);