From: Markus Scherer (email@example.com)
Date: Thu Aug 12 2004 - 18:19:59 CDT
Another encoding, standardized for much longer, is what IMAP uses for mailbox names. I think it does
not have a standard charset name, but it's described in one of the IMAP RFCs. It's a modified UTF-7,
modified to make it filename-friendly and deterministic, and may fit the bill. It's certainly useful
to squeeze Unicode filenames into ASCII. I am sure there are many libraries with an implementation
(ICU has one, see convrtrs.txt).
By the way, ICU also implements IDNA and generic StringPrep.
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