On Mon, Mar 12, 2012 at 5:39 PM, E L <elyl...@cs.huji.ac.il> wrote: > What's the advantage of using ucs-4 internally? > Especially if the program needs to save memory (embedded devices are > pretty common these days). >
UTF-32 or UCS-4, is the only encoding form that allows random access to each Unicode codepoint, each codepoint is 32 bits exactly. As I mentioned, UTF-16 was created with the intention of having indexable codepoints, but eventually there were too many of them (eg http://www.fileformat.info/info/unicode/char/1f3e9/index.htm https://plus.google.com/109925364564856140495/posts etc).
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