From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from greenhill.hpalace.com (greenhill.hpalace.com [192.155.80.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 14C6B16DEB1 for ; Wed, 26 Mar 2025 04:58:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.155.80.58 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742965082; cv=none; b=px79NdF+upVfdyeLcz4Q5v4DppZqZVWx7gI0tn8UKrJWHrrlqZ/4Oo+WxPbjUibq8ax9u2HID4rsbOQ7I9hvx5pEVB6qY5EdSSHYn02ldwqOz7gAIu098GgmnKCJ2AhkZtNGJBWIvBoSCYIdEhdxx5QssY14Vaj1Cp7WUU3S3J0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742965082; c=relaxed/simple; bh=jZxUyyxit8yvAweru7e4x4zt3zh9g/Cpxh0GNxTAwz8=; h=MIME-Version:Date:From:To:Cc:Subject:In-Reply-To:References: Message-ID:Content-Type; b=istp2VtFsyYBKor3TlzKUvlMQvj7baWl8/614sZVSFGtXmuXEpo/N97+LKz9tPd96TlIEppTWQ2YNmuq1m4cqKm0qirs6zS/QDidKd9+x9Rmiq6M+NMYySa+84Tuyu/ogSQ/mCdO6KigCH62HohO7TcT/evsp9YKS2kcYXmaARM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=finder.org; spf=pass smtp.mailfrom=finder.org; dkim=pass (2048-bit key) header.d=finder.org header.i=@finder.org header.b=wafeWuRo; arc=none smtp.client-ip=192.155.80.58 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=finder.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=finder.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=finder.org header.i=@finder.org header.b="wafeWuRo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=finder.org; s=2018; t=1742964538; bh=jZxUyyxit8yvAweru7e4x4zt3zh9g/Cpxh0GNxTAwz8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=wafeWuRoyM4urpKUr6LLBXr7F6m5bOc9SuBoKLN5sp+bOBVwhTnLOuJOIGAz6fxaP mNAFsJSGtyw8WmBhwwbQ/rMe8t6sEjEiJ9ybihtZ7DB1m6ypvMIwdvr1zXelq2MqJr a9vpwjOdsT1WSumWfuefn0mzRmDjZvBpP5YgL69vQNcKjKMAmvMsGLR9xZdAWaqWqf ObV7mRXqiWUtrdsLZhkUgTC0tnMESklEBr/9mGsx/J1g2Wg+zWKMwd2VTWQb9m6quy vWwozgyOCXWXmSnQwbb9P9zwFuGlg8PKkpBH0Iv2cuR70Fv0Z8HZ9iXn7v/98dJceq cikw9yEHarZZw== Received: from mail.finder.org (unknown [192.155.80.58]) by greenhill.hpalace.com (Postfix) with ESMTPSA id 2769A67D; Wed, 26 Mar 2025 04:48:58 +0000 (UTC) Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Tue, 25 Mar 2025 21:48:58 -0700 From: Jared Finder To: Alejandro Colomar Cc: "G. Branden Robinson" , =?UTF-8?Q?G?= =?UTF-8?Q?=C3=BCnther_Noack?= , linux-man@vger.kernel.org, =?UTF-8?Q?Hanno_B=C3=B6ck?= Subject: Re: [PATCH man v3 0/2] TIOCLINUX.2const: Document TIOCL_SETSEL selection modes In-Reply-To: References: <20250302194331.5135-3-gnoack3000@gmail.com> <20250317174340.ig4cavquacmiuxxb@illithid> Message-ID: X-Sender: jared@finder.org Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 2025-03-22 12:37, Alejandro Colomar wrote: > Hi all, > > On Mon, Mar 17, 2025 at 12:43:40PM -0500, G. Branden Robinson wrote: >> [somewhat whimsical] >> >> At 2025-03-17T14:23:09+0100, Alejandro Colomar wrote: >> > On Sun, Mar 02, 2025 at 08:43:31PM +0100, Günther Noack wrote: >> > > +.TP >> > > +.B TIOCL_SELPOINTER >> > > +Show the pointer at position >> > > -+.RI ( xe ,\~ ye ). >> > > ++.RI ( xs ,\~ ys ) >> > > ++or >> > > ++.RI ( xe ,\~ ye ), >> > > ++whichever is greater. >> > >> > Everything else looks good to me. But, >> > >> > What's "greater" when you have two dimensions? >> >> Since we can model the terminal display as an inner product space, >> the terminal driver can compute an orthographic projection of the >> plane onto a line and from there use routine arithmetic inequality >> operators. > > In any case, this is going to be confusing. Can we get some wording > that is obvious to a school student? How about something like "... whichever is greater. When the positions span multiple horizontal lines (ys != ye), characters are ordered left to right, top to bottom, similar to when writing English text". -- MJF