3

I've just read this:

Subscribing to a feed for multiple tags

and learned that I can subscribe to

https://stackoverflow.com/feeds/tag/tag1+and+tag2

but what if tag1 ends with +? e.g. c++?

4

Url encoding to the rescue!

c++ on the url encodes as c%2B%2B.

Meaning you can use:

https://stackoverflow.com/feeds/tag/tag1+and+c%2B%2B

Though, that does fail due to the ambiguity on the server side with understanding what + and what %2B decoded to + are.

So - use the tag synonym of c++ instead - cpp:

https://stackoverflow.com/feeds/tag/tag1+and+cpp

(where %20 encodes a space).

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