<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div><div>On Nov 5, 2014, at 4:44 AM, Lucio Chiappetti <<a href="mailto:lucio@lambrate.inaf.it">lucio@lambrate.inaf.it</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;">On Tue, 4 Nov 2014,<span class="Apple-converted-space"> </span></span><a href="mailto:Thierry.Forveille@ujf-grenoble.fr" style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Thierry.Forveille@ujf-grenoble.fr</a><span style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;"><span class="Apple-converted-space"> </span>wrote:</span><br style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><blockquote type="cite" style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Quoting Demitri Muna <<a href="mailto:demitri.muna@gmail.com">demitri.muna@gmail.com</a>>:<br><blockquote type="cite">> Given FITS' rule of once FITS, always FITS<br></blockquote></blockquote><br style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><blockquote type="cite" style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><blockquote type="cite">the idea that all past software being able to read any future FITS file is a sure path to obsolescence.<br></blockquote>The latter has never been the case, with the only requirement being that old FITS files remain readable.<br></blockquote><br style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;">I agree with Thierry, and even more, I would say that a requirement of past software dealing with future data is unrealistic and substantially insane :-)</span><br style="font-family: GillSans; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"></blockquote></div><div><br></div><div>Certainly we agree, but it's not clear to me that that's what "once FITS, always FITS" has been taken to mean, particularly by standards bodies. (Or body.) But this is off topic, I don't need clarification; the notion is rather, as you say, insane.</div><div><br></div><div>Demitri</div><br><div apple-content-edited="true">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">_________________________________________<br>Demitri Muna<br><br>Department of Astronomy<br>Ohio State University<br><br><a href="http://trillianverse.org">http://trillianverse.org</a><br>http://scicoder.org<br><br><br></div>
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