From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,6d9eb594a33cb947
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2001-01-26 14:45:07 PST
Path: 
 supernews.google.com!sn-xit-02!sn-xit-01!supernews.com!newsfeed.stanford.edu!bloom-beacon.mit.edu!howland.erols.net!news-out.nntp.airnews.net.MISMATCH!cabal10.airnews.net!news.airnews.net!cabal11.airnews.net!news.airnews.net!news.cadence.com!not-for-mail
From: Paul Graham <pgraham@cadence.com>
Newsgroups: comp.lang.ada
Subject: Re: very specific question on Ada syntax
Date: Fri, 26 Jan 2001 17:43:15 -0500
Organization: Cadence Design Systems
Message-ID: <3A71FD83.281DFC3E@cadence.com>
References: <mailman.980516658.10759.comp.lang.ada@ada.eu.org>
NNTP-Posting-Host: pgraham-dsl.cadence.com
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Mailer: Mozilla 4.51 [en] (X11; I; SunOS 5.5.1 sun4u)
X-Accept-Language: en
Xref: supernews.google.com comp.lang.ada:4586
Date: 2001-01-26T17:43:15-05:00
List-Id: <comp.lang.ada>

Christoph Grein wrote:
> 
> There are no one-character attributes I'm aware of; I do not know of a
> requirement in the RM to not have an implemetation defined one either. But three
> lexers I know (OpenToken, the one in AdaGIDE, and my one) rely on this fact.

I'm curious what the basis is for this reliance on attributes being more
than one character long.  You don't check the preceding token's type to
determine if a character literal is allowed?

Paul