Almost all doc links in AMQ Clients overview page are broken since 2020.Q4 release. URLs are case-sensitive and we are using 2020.Q4 instead of 2020.q4.

See this page for example:

https://access.redhat.com/documentation/en-us/red_hat_amq/2020.q4/html-single/amq_clients_overview/index

First broker link:

https://access.redhat.com/documentation/en-us/red_hat_amq/2020.Q4/html-single/using_the_amq_javascript_client/