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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link="#467886" vlink="#96607D" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Mapiah recently highlighted a typo I made in some of my th2 files a year or so ago – detail here, but perhaps it is not important - <a href="https://github.com/rsevero/mapiah/issues/42">[BUG] Parsing errors on opening some th2 files · Issue #42 · rsevero/mapiah</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m curious as to what Therion users understand is the intention with, or desirable for, the date range specification.<o:p></o:p></p><p class=MsoNormal>The Therion Book says…<o:p></o:p></p><p class=MsoNormal><img border=0 width=685 height=68 style='width:7.1319in;height:.7083in' id="Picture_x0020_1" src="cid:image001.png@01DD21FB.05831ED0"><o:p></o:p></p><p class=MsoNormal>Nothing there about the order of the dates, and it seems Therion is agnostic as to whether the earliest date in the range is specified first or last. I had always assumed incorrectly that the earliest date should be first.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Survex date specification seems to be more flexible, allowing multiple distinct dates as well as ranges. I tried some variations of this with a single statement line with Therion, but it seems Therion cannot handle multiple distinct dates, unless multiple statements would do it – did not check.<o:p></o:p></p><p class=MsoNormal><a href="https://survex.com/docs/manual/datafile.htm#date">Survex 1.4.22 documentation - date</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If Therion put up a warning when it detected a date range specified in the wrong order, then my typo might have been detected at the time.<o:p></o:p></p><p class=MsoNormal>May I suggest that some date related warnings be added to Therion:<o:p></o:p></p><ul style='margin-top:0mm' type=disc><li class=MsoNormal style='mso-list:l1 level1 lfo2'>[author] [explorer] [topo] [copyright] date range in reverse order in [object name]<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0mm;mso-list:l1 level1 lfo2'>date earlier than 1900 AD in [object name]<o:p></o:p></li><li class=MsoNormal style='mso-list:l1 level1 lfo2'>future date specified in [object name]<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Bruce<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>