BL Choy

As a matter of interest, I have also created a schematron rule to count the number of reports in a collective in accordance to their version (i.e. namespace) and type....

From @jkorosi: > Dear Choy, all, > > I don't know if this is the right place to ask it. I hope it is. > > The multiple version enhancement...

To re-phrase Jan's suggestion, we may want to ask users to adopt a practice to define IWXXM namespace as something like: `xmlns:iwxxm30="http://icao.int/iwxxm/3.0"` which should be invariant under single report or...

> `xmlns:iwxxm30="http://icao.int/iwxxm/3.0"` I can only say this is a good practice but not necessarily a best practice. We used to have a discussion on a similar topic, that whether gml:id...

> @jkorosi: For better illustration this is how collective should look like by my opinion This is exactly our preferred way of creating a collective. > @ilkkarinne: I have personally...

I didn't hear any objection with my multiple IWXXM version schematron file in [my previous post](https://github.com/wmo-im/iwxxm/issues/214#issuecomment-612610787). My final solution will be as follow: For each IWXXM version there will be...

> References in ICAO 10003 (2019) > > 5.2.4 Guidelines on the use of operational and non-operational indicators in IWXXM can be found on the WMO website at https://wiswiki.wmo.int/tiki-index.php?page=TT-AvXML&structure=WIS+up. >...

> Are you proposing these changes for all codelists and enumerations? Yes. I have added this intention back to my previous post. In case you have any concern just voice...

> Hello, may be I've missed something, but do we allow only one extension entry in the block? > `` It is by design to have only one extension block...

> all of the complex types listed in the [extension tutorial table](https://github.com/NOAA-MDL/GIFTs/wiki/Encoding-supplementary-information-in-IWXXM#the-iwxxm-extension-elements) allow for an [unlimited](https://github.com/wmo-im/iwxxm/blob/1772b08917c18cd4d1058b5b120755d823e5c454/IWXXM/metarSpeci.xsd#L83) number of extension elements to appear within them @mgoberfield was right, the existing schema...