Overview:
https://textalign.net/release/TAN-2021/guidelines/xhtml/ch13s02.xhtml#function-group-elements-by-shared-node-values

Code (starting line 272):
https://github.com/textalign/TAN-2021/blob/master/functions/nodes/TAN-fn-nodes-standard.xsl

Hi all,

I need to group elements that have at least one common value :

<FORMS>

<!--CASE 1-->

<GRCHOIX CODE="grchoix-1">

<CHOIX CODE="choix-1"/>

<CHOIX CODE="choix-2"/>

--
Joel Kalvesmaki
Director, Text Alignment Network
http://textalign.net