[Octave-bug-tracker] [bug #34662] WRONG: `debug_on_error' Flag

[Clem]

URL:
  <http://savannah.gnu.org/bugs/?34662>

                 Summary: WRONG:   `debug_on_error'  Flag 
                 Project: GNU Octave
            Submitted by: clemwang
            Submitted on: Wed 26 Oct 2011 09:40:30 PM GMT
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Documentation
                  Status: None
             Assigned to: None
         Originator Name: Clem
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.4.0
        Operating System: Mac OS

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Details:

If you type:
help debug

you get this WRONG info:

    `debug_on_error'
          Flag whether to enter debug mode in case Octave encounters an
          error.

    `debug_on_warning'
          Flag whether to enter debug mode in case Octave encounters a
          warning.

    `debug_on_interrupt'
          Flag whether to enter debug mode in case Octave encounters an
          interupt.



These were flags but now are function that take a boolean argument to turn the
debugging mode on or off.  If you actually try to set the flag you get an
error msg:



>> debug_on_error = 1
warning: debug_on_error is now a function instead of a built-in variable.  By
assigning to debug_on_error, you have created a variable that hides the
function debug_on_error.  To remove the variable and restore the function,
type "clear debug_on_error"
debug_on_error =  1



Also, this err msg is a bit confusing.  "debug_on_error is now a function"
could be wrongly interpreted as "your action has just changed debug_on_error
into a function" which is the opposite of what you're trying to inform the
user!

Better would be "Since Octave Version X.X.X, debug_on_error has been changed
from a built-in variable to a function."





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