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diff src/pt-binop.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 e81ddf9cacd5
children 72c96de7a403
line wrap: on
line diff
--- a/src/pt-binop.cc
+++ b/src/pt-binop.cc
@@ -282,6 +282,7 @@
   "-*- texinfo -*-\n\
 @deftypefn  {Built-in Function} {@var{val} =} do_braindead_shortcircuit_evaluation ()\n\
 @deftypefnx {Built-in Function} {@var{old_val} =} do_braindead_shortcircuit_evaluation (@var{new_val})\n\
+@deftypefnx {Built-in Function} {} do_braindead_shortcircuit_evaluation (@var{new_val}, \"local\")\n\
 Query or set the internal variable that controls whether Octave will\n\
 do short-circuit evaluation of @samp{|} and @samp{&} operators inside the\n\
 conditions of if or while statements.\n\
@@ -291,6 +292,10 @@
 \n\
 To obtain short-circuit behavior for logical expressions in new programs,\n\
 you should always use the @samp{&&} and @samp{||} operators.\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 (do_braindead_shortcircuit_evaluation);