https://charma.uprm.edu/twiki/bin/view/Main/WebRss
For other TWiki webs, replace /Main/
with the name of the web:
https://charma.uprm.edu/twiki/bin/view/CMSPublic/WebRss
https://charma.uprm.edu/twiki/bin/view/Main/WebRss
https://charma.uprm.edu/twiki/bin/view/Sandbox/WebRss
https://charma.uprm.edu/twiki/bin/view/Sandbox/PetshopSaigon/WebRss
https://charma.uprm.edu/twiki/bin/view/TWiki/WebRss