Re: [calsify] draft-ietf-calext-jscalendar - excluded

"Neil Jenkins" <neilj@fastmailteam.com> Fri, 17 May 2019 05:41 UTC

Return-Path: <neilj@fastmailteam.com>
X-Original-To: calsify@ietfa.amsl.com
Delivered-To: calsify@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 499331200C1 for <calsify@ietfa.amsl.com>; Thu, 16 May 2019 22:41:19 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.7
X-Spam-Level:
X-Spam-Status: No, score=-2.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=fastmailteam.com header.b=Ye5joqA+; dkim=pass (2048-bit key) header.d=messagingengine.com header.b=eple9SJA
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wKLpxnZSov_H for <calsify@ietfa.amsl.com>; Thu, 16 May 2019 22:41:17 -0700 (PDT)
Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 49517120041 for <calsify@ietf.org>; Thu, 16 May 2019 22:41:17 -0700 (PDT)
Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 4E306248BF for <calsify@ietf.org>; Fri, 17 May 2019 01:41:16 -0400 (EDT)
Received: from imap7 ([10.202.2.57]) by compute6.internal (MEProxy); Fri, 17 May 2019 01:41:16 -0400
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= fastmailteam.com; h=mime-version:message-id:in-reply-to :references:date:from:to:subject:content-type; s=fm2; bh=EJLRREF LhYhbM7lkZjDssAZdyNfzmuM67UHicMnJWpg=; b=Ye5joqA+8LIMSzYFmlIAuCQ NCI2eCsOMuFmYt+QsHTLOipCWZkh78a2YxgFNesyI1YfnUSNOxCgANaO4nUSr/Bw +pFsa5acBHf4lPDVImiyEWJAypnDoec1/T8Ie9vuqrF2LKoDG7WMX6Y4FeFC5wxF csWsvdoqzwUqXWnEDfLjkjBydnNV3kWrKRI9VFDWXERmkoSqcThQeJIppL7GHAsE wkSoUz/TYNvrAbR/OTXYOCEtV/+hSqJkXIOwzRFdRAjHrGoF7Xxst3d9lUE1g3AF tOLEDSdH3B+3io5dawN7My2fGewc2TBBGW0sA5OnW1hst5NWJRf081Ww4Ku7Z8A= =
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=EJLRRE FLhYhbM7lkZjDssAZdyNfzmuM67UHicMnJWpg=; b=eple9SJA3PO7+Q8qb9TcPh 22e8MNK5LR03gy2HAaAgG8ASV3HiRklcn1swjas7leZJ3JS/rkeoMw3tM+1BEUG/ jU0giJEB0N3GZhiFiuGosvOz4qz1MHo2pRUxwSzx1DpiZUSyDIpuvkOTtLgfGQjF 12BHS2mGxrnsV0Dcip8XPctMau6sPAox4ksI+Rr177dolIswQwsQuFEzXDkroRsi P9VpjMkLiwi+vPXnTxZUz1MYkCLTR50+EldeuRPh/kLYqzm3akH3LJ5WAqeuSclf HSPPOdsbLSGFuAu3g0WRiDGCjOYJnXBJQkp7EGKXpC9V+PIvfMK7ZqnHkxbADnDA ==
X-ME-Sender: <xms:e0neXN6oCd11B18YXRLH2GaaGa9Tvl7Hb7WjwpuYMlNh53WkRzdLaQ>
X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduuddruddtuddgleelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefofgggkfgjfhffhffvufgtsegrtd erreerredtnecuhfhrohhmpedfpfgvihhlucflvghnkhhinhhsfdcuoehnvghilhhjsehf rghsthhmrghilhhtvggrmhdrtghomheqnecurfgrrhgrmhepmhgrihhlfhhrohhmpehnvg hilhhjsehfrghsthhmrghilhhtvggrmhdrtghomhenucevlhhushhtvghrufhiiigvpedt
X-ME-Proxy: <xmx:e0neXDieyvIIRmEwurf3EMczV-SQdzJ5zPpr43j0x9rw5LFNyZY__w> <xmx:e0neXL6A8MyoJPe0s8f3ibyQTES2P6J9B6qXrNG9Stxeb51TThp83w> <xmx:e0neXAGgBJnFX4Y4FrO9HBN8Zva7miqghK3sgYKAS2jU9ksQ2wc7zQ> <xmx:fEneXEXSEiLChDRyy8mgfUjv0deK6nimraNmu9FcflTlsK2JirZW6w>
Received: by mailuser.nyi.internal (Postfix, from userid 501) id 94727211DA; Fri, 17 May 2019 01:41:15 -0400 (EDT)
X-Mailer: MessagingEngine.com Webmail Interface
User-Agent: Cyrus-JMAP/3.1.6-549-ge400f56-fmstable-20190516v3
Mime-Version: 1.0
Message-Id: <010b07d7-388e-42a4-9de7-3c5d2c4c7714@beta.fastmail.com>
In-Reply-To: <6f6096c9-7950-a40d-44d4-fffb62158af0@gmail.com>
References: <3b53a2df-d6bd-7c77-a39a-fb7d151d89c5@gmail.com> <b722e48f-d171-e029-d51a-d32e6fd08970@dmfs.org> <6f6096c9-7950-a40d-44d4-fffb62158af0@gmail.com>
Date: Fri, 17 May 2019 15:41:15 +1000
From: Neil Jenkins <neilj@fastmailteam.com>
To: calsify@ietf.org
Content-Type: multipart/alternative; boundary="7fe3f1f79c524a9386e78ec63216eaa1"
Archived-At: <https://mailarchive.ietf.org/arch/msg/calsify/8dvYno-SAIBpEOe_HM6jSbNJAzk>
Subject: Re: [calsify] draft-ietf-calext-jscalendar - excluded
X-BeenThere: calsify@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: <calsify.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/calsify>, <mailto:calsify-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/calsify/>
List-Post: <mailto:calsify@ietf.org>
List-Help: <mailto:calsify-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/calsify>, <mailto:calsify-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 17 May 2019 05:41:19 -0000

On Fri, 17 May 2019, at 13:50, Doug Royer wrote:
> On 5/14/19 2:24 PM, Marten Gajda wrote:
> > I don't see much of an issue here, especially since the `false` path is 
> > the same as the "absent" path.
> 
> And I just checked, that is not in the spec. A reader would have to 
> assume that. From the spec:
> 
> 4.3.3. excluded
> 
>  Type: "Boolean" (optional, default:"false")

The *default: "false"* bit means that absent is the same as false. This is what the default annotation is for.

>  Defines if this object is an overridden, excluded instance of a
>  recurring JSCalendar object (also see Section 4.3.2). If this
>  property value is "true", this calendar object instance MUST be
>  removed from the occurrence expansion.
> 
> I could assume that when set to false, it is added as an instance and 
> not intended to indicate an instance removed.

I agree it never hurts to be explicit and say that a value of `false` has no effect.

Neil.