Not found error

[John Tytgat]

In message <ae39abb34b.Jan-Jaap at c2i.net>
          Jan-Jaap van der Geer <janjaap at dsv.nl> wrote:

> Is it a good way to check for the errornumbers anyway? How
> futureproof is that? How certain is it that all versions of the OS
> react in the same way?

Some answers on those questions in PRM p2-528, paragraph "Returning errors".

John.
-- 
John Tytgat, in his comfy chair at home                                 BASS
John.Tytgat at aaug.net                             ARM powered, RISC OS driven