Hey I need to know how your pkp forum , new topic input work in tag part 
actually I need to have an input like your id=“s2id_autogen2” for tags.
How is it work that doesn’t allow user to insert different tag.
plz help me
Hi @mahsa_idasa,
We use Discourse software for the PKP support forum, which isn’t written or maintained by us. You can visit the Discourse website to find documentation about how the software works.
Best,
Amanda Stevens
Public Knowledge Project Team