On Mon, 10 Oct 2022 10:32:41 +0200, Erich Steinböck wrote:
>see rexxref: "If option STREAM is specified, stream must be a literal
>string, a constant expression, or an
>expression enclosed in parentheses that evaluates to a string which is used
>as the stream name."

What's "a constant expression"?  Is that just a constant symbol?  This
section and USE ARG are the only place that phrase occurs.  I thought it
might mean an expression made up entirely of constant symbols and literal
strings, but this doesn't work:

>    22 *-* use arg name = 0this || 'that'
> Error 35 running C:\NotR\gsk\tryusewith.rex line 22:  Invalid expression
> Error 35.1:  Incorrect expression detected at "||"

¬R




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