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From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: Re: ada.strings.bounded slice errors
References: <876688f18d.fsf@deneb.enyo.de>
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> >   Low > S'last+1
>
> (You mean "Low > Length (S) + 1".)
>
> Index_Error is propagated.
  So I should be seeing Ada.Strings.Index_Error, and not Constraint_Error.
Hmm.
And
Slice(Null_Bounded_String,1,0) = Slice(Null_Bounded_String,1,1) = ""

> >   High > S'last
>
> Index_Error is propagated, but this was added in TC 1, the original
> Ada 95 RM didn't require this.
  Ah, that explains another part of the problem.
And Slice(Null_Bounded_String,1,2) originally could return "", but now
should raise Ada.Strings.Index_Error.