Ralf Hemmecke wrote:
> 
> On NAGcdrom/development/src/doc/htex/ug01.htex appears
> 
> \begin{inputonly}
> )set message test off
> \end{inputonly}
> \xtc{
> Inversion is not available if the modulus is not a prime
> number.
> Modular arithmetic and prime fields are discussed in
> \spadref{ugxProblemFinitePrime}.
> }{
> \spadcommand{1/y \free{y}}
> }
> \begin{inputonly}
> )set message test on
> \end{inputonly}
> 
> which causes me some trouble
> 
> Does someone know what ")set message test off" is really supposed to do?
> 

")set message test off" undoes effect of ")set message test on".
")set message test on" causes printing of "Daly Bug" messages:

(18) -> )set message test on
(18) -> 1/0
 
Daly Bug
   >> Error detected within library code:
   division by zero

(18) -> )set message test off
(18) -> 1/0
 
   >> Error detected within library code:
   division by zero

-- 
                              Waldek Hebisch
[email protected] 

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