[Octave-bug-tracker] [bug #46650] disable warning about division by zero by default

[Ceral Paquet]

Follow-up Comment #7, bug #46650 (project octave):

Matlab seems to have removed the warning after R2006b, according to this
blog:

http://blogs.mathworks.com/loren/2006/10/18/controlling-warning-messages-and-state/

When I try some things in R2013a it seems the msgid is still valid but the
warning is never shown.

>> 1/0

ans =

   Inf
 
>> warning('on','MATLAB:divideByZero')
>> 1/0

ans =

   Inf

>> warning('on','MATLAB:divide-by-zero')
Error using warning
Unknown setting or incorrect message identifier 'MATLAB:divide-by-zero'.
 
>> warning on
>> 1/0

ans =

   Inf

>> warning('query','MATLAB:divideByZero')
The state of warning 'MATLAB:divideByZero' is 'on'.
>> 1/0

ans =

   Inf

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