It seems that build parameter like this doesn't work:
VariableKey: url1=https:\example.com\abc,url2=https:\example.com\efg,foo=bar
The original issue was concluded because a scenario like the above was thought to be very uncommon but I am running into a scenario like this right now.
I was looking at this issue: https://github.com/huserben/TfsExtensions/issues/54#issuecomment-368578707
It seems that build parameter like this doesn't work: VariableKey: url1=https:\example.com\abc,url2=https:\example.com\efg,foo=bar
The original issue was concluded because a scenario like the above was thought to be very uncommon but I am running into a scenario like this right now.