Case-insensitive parsing of <id-right> in message-IDs

[Julien ÉLIE]

Hi Russ,

>>> I am answering to an old message (December 2009) because someone has
>>> just asked me why his 'XPAT References' calls are failing when the
>>> message-ID that he looks up contains uppercase characters. He notes
>>> that when replacing the uppercase chars with '*', INN finds the article.
>>
>> That's weird. The hash case insensitivity shouldn't be causing that.
>
> Hmm, yes, you're right.
> I have just asked for more information about the issue he reported.

Not related to INN.
The problems affects Easynews, Ziggo (running NNTPSwitch) and most of 
Dutch providers.

They seem to have implemented a broken XPAT command.


XPAT References - *upm3X*
221 references matches follow.
.
XPAT References - *upm3x*
221 references matches follow.
.
XPAT References - *upm3\X*
221 references matches follow.
.
XPAT References - *upm3X*
221 references matches follow.
.
XPAT References - *upm3*
221 references matches follow.
1060798 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060800 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060801 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060873 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060881 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060946 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060951 <upm3XU8zceEoxAWTgAgZg at spot.net>
1061103 <upm3XU8zceEoxAWTgAgZg at spot.net>
1061139 <upm3XU8zceEoxAWTgAgZg at spot.net>
1061191 <upm3XU8zceEoxAWTgAgZg at spot.net>
1061223 <upm3XU8zceEoxAWTgAgZg at spot.net>
1061288 <upm3XU8zceEoxAWTgAgZg at spot.net>
1061305 <upm3XU8zceEoxAWTgAgZg at spot.net>
[...]
.

XPAT References - *upm3*zce*ox*g*g*g at spot.net*
221 references matches follow.
1060798 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060800 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060801 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060873 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060881 <upm3XU8zceEoxAWTgAgZg at spot.net>
1060946 <upm3XU8zceEoxAWTgAgZg at spot.net>
[...]
.

As soon as uppercase letters are avoided, the server magicly returns the 
right results.

-- 
Julien ÉLIE

« Ne pas monter bien haut, peut-être, mais tout seul ! » (Edmond
   Rostand)