Michael Nguyen writes:
I noticed something in Courier... Let's say I make an IMAP folder called "Bonnie & Clyde". The folder gets created as "Bonnie &- Clyde", however the folder is returned as "Bonnie & Clyde" in the IMAP folder list. I assume that the &- is some sort of escaping that's done. So I have a question:- Are there any other characters that Courier does this to? If so, what are they?
It's not Courier that's doing that. This is a convention used by IMAP clients, and defined by the specification, for defining folder names with Unicode characters. "&" is normally followed by a base64-type bastardization that encodes Unicode characters. "&-" is used to escape the special meaning of the ampersand, to specify a literal ampersand that belongs in the folder's name.
It's the client that modifies the folder name and sends &- to the server. The server may, but is not required, to validate folder names.
Unless you want to use Unicode characters in folder names, &- is all you have to worry about.
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