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From: info@midoan.com
Newsgroups: comp.lang.ada
Subject: Ada extension information
Date: Thu, 28 May 2009 11:26:08 -0700 (PDT)
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Date: 2009-05-28T11:26:08-07:00
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Hello,
a-textio.adb released with GNAT 2009 GPL for windows, contains:

Item :=
              (if not Is_Start_Of_Encoding (Character'Val (ch),
File.WC_Method)
               then Character'Val (ch)
               else Get_Upper_Half_Char_Immed (Character'Val (ch),
File));

which is easy enough to understand but is not standard Ada.

GNAT 2009 tells me :

try.adb:5:09: conditional expression is an Ada extension
try.adb:5:09: use -gnatX switch to compile this unit

http://www.adacore.com/2009/03/29/NF-63-I317-009-gnat/ discusses
this.

Is it not jumping the gun a little to use these extensions to document
standard libraries before they become official, or even documented?

More specifically where are these Ada extensions formally documented?
(Ada Conformity Assessment Authority seem to have discussion about
this up to 15th March 2009 !)

PS In the meantime Mika is broken if you use a-textio as distributed
with GNAT GPL  2009.

Sincerely,
http://www.midoan.com