Issue #2880604 by firewaller, floydm, joseph.olstad, idebr, Michelle, authintmedia, Anonymous: The [current-page:title] is broken on some routes

Issue #3067803 by DamienMcKenna, KarenS, aludescher, jonathan_hunt, basvredeling, owenbush, osopolar, peter3bweb, brunodbo, robertshell22, thejimbirch: Use custom delimiter instead of commas for multiple values.

Closes #2880604