[Info-vax] SOMETIMES an extra line to SYS$OUTPUT

[Phillip Helbig---undress to reply]

In article <jg3oqo$do7$5 at online.de>, helbig at astro.multiCLOTHESvax.de
(Phillip Helbig---undress to reply) writes: 

> I have a very simple procedure which produces an extra line of output, 
> but only when verification is turned on and only in interactive mode.  
> In batch mode (whether verification is on or not) there is no extra line 
> and interactively there is no extra line if verification is turned off.
> 
> Why?
> 
> I'm pretty sure that this is a generic problem and not an oddity of 
> whatever I'm doing, so I'm asking this general question first.  I can 
> post an example if necessary.
> 
> Even stranger: If I start the procedure with
> 
>    $  SET NOVERIFY
> 
> and turn on verify before running it, then as expected I see the line 
> above but no lines from the procedure itself THOUGH IT STILL PRODUCES 
> THE EXTRA LINE!

Even stranger: The original procedure produced the extra line 
interactively with or without verification.  Cutting it down to just the 
offending commands caused the change in behaviour.  The original 
procedure produces no extra line in batch, with or without verification.