From: Tony Finch <dot@dotat.at>
Date: Wed, 03 Jun 2009 20:56:07 GMT
Subject: Re: Request for detailed documentation of git pack protocol
Message-ID: <alpine.LSU.2.00.0906032147330.31588@hermes-2.csi.cam.ac.uk>
In-Reply-To: <200906030250.01413.jnareb@gmail.com>

On Wed, 3 Jun 2009, Jakub Narebski wrote:
>
>      HEXDIGIT = 0-9 / a-f
>
> Well, it should probably be spelled in full. Probably, because I have
> no experience with using ABNF... and didn't do my research :-)

The ABNF core rules include a definition for HEXDIG. See appendix B of
RFC 5234.

> (should HEXDIGIT use lowercase a-f, or can it use uppercase A-F?)

Double-quoted strings in ABNF are case-insensitive ASCII, so the HEXDIG
rule accepts both. You need to use %x61 if you want a but not A.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
GERMAN BIGHT HUMBER: SOUTHWEST 5 TO 7. MODERATE OR ROUGH. SQUALLY SHOWERS.
MODERATE OR GOOD.