X-Authentication-Warning:	delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient:	geda-user AT delorie DOT com
X-Injected-Via-Gmane:	http://gmane.org/
To:	geda-user AT delorie DOT com
From:	Kai-Martin Knaak <knaak AT iqo DOT uni-hannover DOT de>
Subject:	Re: [geda-user] pcb_fprintf mixes mm and mils for same output object
Date:	Wed, 27 Jan 2016 21:23:01 +0100
Organization:	Institut =?UTF-8?B?ZsO8cg==?= Quantenoptik
Lines:	31
Message-ID:	<n8b8v6$3t9$1@ger.gmane.org>
References:	<CAC4O8c_ACXqSG7nC56a+GsTf0sy1_4+N5ivZU37X+mb92k+n1Q AT mail DOT gmail DOT com> <s6nio2hpiby DOT fsf AT blaulicht DOT dmz DOT brux>
Mime-Version:	1.0
X-Complaints-To:	usenet AT ger DOT gmane DOT org
X-Gmane-NNTP-Posting-Host:	130.75.102.197
User-Agent:	KNode/4.14.10
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id u0RKNVrm020952
Reply-To:	geda-user AT delorie DOT com

Stephan Böttcher wrote:

> Maybe, at some point the default unit can be changed from cmil to nm for
> unit-less numbers, 

There is a small but sometimes significant benefit to nm: Unlike centimil 
the nanometer is a unit sanctioned by the SI. If a project requires 
certification of some sort, non-standard units tend to raise an eye-brow 
or two during the audit. Think ISO-9001, ESA, health related products... 


> as long as old files with base cmil are recognized
> and read correctly.

Backward compatibility is a necessity to not make users revolt :-)

---<)kaimartin(>---
-- 
Kai-Martin Knaak                                  tel: +49-511-762-2895
Universität Hannover, Inst. für Quantenoptik      fax: +49-511-762-2211	
Welfengarten 1, 30167 Hannover           http://www.iqo.uni-hannover.de
GPG key:    http://pgp.mit.edu:11371/pks/lookup?search=Knaak+kmk&op=get

- Raw text -