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Re: 16 bits wchar [message #12144 is a reply to message #12140]

Fri, 12 October 2007 17:03

mirek is currently offline

mirek
Messages: 14265
Registered: November 2005

Ultimate Member

cbpporter wrote on Fri, 12 October 2007 07:54

luzr wrote on Fri, 12 October 2007 11:59

Also interesting question: While longer UTF-8 sequences are invalid, would not be actually a good idea to accept them as a form of error-escapement? I can imagine a couple of scenarious where this might be very useful... E.g. what are we supposed to to with invalid UCS-4 values after all?

Yes, that would also be a good alternative. I choose the EExx encoding out of two reasons:

Actually, I would keep EExx for ill-formed utf8 anyway. What I was up to was rather the fact that UTF-8 represents a sort of huffman encoding.

In practice, there is a lot of cases where you have store a set of offsets or indicies efficiently, which are "small" (e.g. lower than 128) in most case, but in exceptional cases they can be larger.

Using "full" UTF-8 would provide a nice compression algorithm here...

(Note that such use is completely unrelated to UNICODE, but why not to reuse the existing code? Smile

Smile

.

Mirek

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[Message index]

		16 bits wchar By: riri on Mon, 05 February 2007 17:19
		Re: 16 bits wchar By: mirek on Mon, 05 February 2007 23:07
		Re: 16 bits wchar By: cbpporter on Tue, 25 September 2007 22:03
		Re: 16 bits wchar By: mirek on Tue, 25 September 2007 23:18
		Re: 16 bits wchar By: cbpporter on Wed, 26 September 2007 07:43
		Re: 16 bits wchar By: mirek on Wed, 26 September 2007 08:48
		Re: 16 bits wchar By: sergei on Wed, 26 September 2007 14:55
		Re: 16 bits wchar By: cbpporter on Wed, 26 September 2007 15:37
		Re: 16 bits wchar By: mirek on Wed, 26 September 2007 22:40
		Re: 16 bits wchar By: cbpporter on Mon, 01 October 2007 13:24
		Re: 16 bits wchar By: mirek on Mon, 01 October 2007 14:28
		Re: 16 bits wchar By: cbpporter on Wed, 03 October 2007 06:16
		Re: 16 bits wchar By: mirek on Wed, 03 October 2007 10:11
		Re: 16 bits wchar By: cbpporter on Wed, 03 October 2007 10:23
		Re: 16 bits wchar By: mirek on Wed, 03 October 2007 10:42
		Re: 16 bits wchar By: mirek on Wed, 03 October 2007 10:26
		Re: 16 bits wchar By: cbpporter on Wed, 03 October 2007 10:36
		Re: 16 bits wchar By: mirek on Wed, 03 October 2007 12:10
		Re: 16 bits wchar By: cbpporter on Wed, 03 October 2007 14:43
		Re: 16 bits wchar By: mirek on Wed, 03 October 2007 21:40
		Re: 16 bits wchar By: cbpporter on Thu, 04 October 2007 13:15
		Re: 16 bits wchar By: mirek on Thu, 04 October 2007 17:33
		Re: 16 bits wchar By: cbpporter on Thu, 04 October 2007 19:49
		Re: 16 bits wchar By: cbpporter on Fri, 12 October 2007 10:25
		Re: 16 bits wchar By: cbpporter on Fri, 12 October 2007 11:27
		Re: 16 bits wchar By: mirek on Fri, 12 October 2007 11:52
		Re: 16 bits wchar By: mirek on Fri, 12 October 2007 11:59
		Re: 16 bits wchar By: cbpporter on Fri, 12 October 2007 13:54
		Re: 16 bits wchar By: cbpporter on Fri, 12 October 2007 16:25
		Re: 16 bits wchar By: mirek on Fri, 12 October 2007 17:03
		Re: 16 bits wchar By: cbpporter on Mon, 15 October 2007 15:01
		Re: 16 bits wchar By: cbpporter on Mon, 15 October 2007 16:49
		Re: 16 bits wchar By: cbpporter on Tue, 16 October 2007 11:13
		Re: 16 bits wchar By: mirek on Sun, 21 October 2007 20:19
		Re: 16 bits wchar By: cbpporter on Sun, 21 October 2007 23:46
		Re: 16 bits wchar By: mirek on Sun, 21 October 2007 23:57
		Re: 16 bits wchar By: cbpporter on Mon, 22 October 2007 09:34
		Re: 16 bits wchar By: mirek on Mon, 22 October 2007 10:47
		Re: 16 bits wchar By: cbpporter on Mon, 22 October 2007 17:57
		Re: 16 bits wchar By: mirek on Mon, 22 October 2007 19:37
		Re: 16 bits wchar By: mirek on Sun, 21 October 2007 20:14
		Re: 16 bits wchar By: sergei on Wed, 26 September 2007 01:56
		Re: 16 bits wchar By: sergei on Wed, 26 September 2007 16:54
		Re: 16 bits wchar By: cbpporter on Wed, 26 September 2007 19:11
		Re: 16 bits wchar By: cbpporter on Wed, 24 October 2007 11:58
		Re: 16 bits wchar By: mirek on Wed, 24 October 2007 13:27
		Re: 16 bits wchar By: cbpporter on Wed, 24 October 2007 14:05
		Re: 16 bits wchar By: cbpporter on Thu, 25 October 2007 14:47
		Re: 16 bits wchar By: mirek on Sat, 27 October 2007 11:11
		Re: 16 bits wchar By: cbpporter on Tue, 06 November 2007 13:31
		Re: 16 bits wchar By: mirek on Fri, 09 November 2007 10:39
		Re: 16 bits wchar By: cbpporter on Sat, 10 November 2007 17:34
		Re: 16 bits wchar By: mirek on Sun, 11 November 2007 18:45
		Re: 16 bits wchar By: cbpporter on Fri, 04 July 2008 17:12
		Re: 16 bits wchar By: cbpporter on Wed, 23 July 2008 15:22
		Re: 16 bits wchar By: mirek on Wed, 23 July 2008 22:04
		Re: 16 bits wchar By: cbpporter on Sat, 02 August 2008 13:27
		Re: 16 bits wchar By: cbpporter on Sat, 02 August 2008 18:34
		Re: 16 bits wchar By: cbpporter on Sat, 02 August 2008 19:01
		Re: 16 bits wchar By: cbpporter on Sun, 03 August 2008 14:51
		Re: 16 bits wchar By: mirek on Mon, 04 August 2008 15:07
		Re: 16 bits wchar By: cbpporter on Mon, 04 August 2008 15:53
		Re: 16 bits wchar By: mirek on Mon, 04 August 2008 17:14
		Re: 16 bits wchar By: cbpporter on Mon, 04 August 2008 22:47
		Re: 16 bits wchar By: mirek on Tue, 05 August 2008 00:03
		Re: 16 bits wchar By: cbpporter on Tue, 05 August 2008 00:12
		Re: 16 bits wchar By: mirek on Tue, 05 August 2008 00:14
		Re: 16 bits wchar By: cbpporter on Tue, 05 August 2008 00:18
		Re: 16 bits wchar By: mirek on Tue, 05 August 2008 00:20
		Re: 16 bits wchar By: cbpporter on Tue, 05 August 2008 00:24
		Re: 16 bits wchar By: mirek on Tue, 05 August 2008 00:26
		Re: 16 bits wchar By: cbpporter on Tue, 05 August 2008 00:32
		Re: 16 bits wchar By: mirek on Tue, 05 August 2008 00:51
		Re: 16 bits wchar By: mirek on Tue, 05 August 2008 10:42
		Re: 16 bits wchar By: cbpporter on Tue, 05 August 2008 12:03
		Re: 16 bits wchar By: mirek on Tue, 05 August 2008 15:12
		Re: 16 bits wchar By: mirek on Tue, 05 August 2008 15:19
		Re: 16 bits wchar By: cbpporter on Tue, 05 August 2008 15:57
		Re: 16 bits wchar By: cbpporter on Wed, 06 August 2008 13:33
		Re: 16 bits wchar By: cbpporter on Thu, 07 August 2008 08:41
		Re: 16 bits wchar By: mirek on Thu, 07 August 2008 16:10
		Re: 16 bits wchar By: cbpporter on Thu, 07 August 2008 17:33
		Re: 16 bits wchar By: mirek on Thu, 07 August 2008 17:40
		Re: 16 bits wchar By: cbpporter on Thu, 07 August 2008 18:37
		Re: 16 bits wchar By: mirek on Thu, 07 August 2008 20:01
		Re: 16 bits wchar By: cbpporter on Fri, 08 August 2008 13:34
		Re: 16 bits wchar By: mirek on Fri, 08 August 2008 15:32
		Re: 16 bits wchar By: cbpporter on Fri, 08 August 2008 15:47
		Re: 16 bits wchar By: mirek on Fri, 08 August 2008 18:25
		Re: 16 bits wchar By: cbpporter on Sat, 09 August 2008 01:45
		Re: 16 bits wchar By: cbpporter on Fri, 05 September 2008 19:13
		Re: 16 bits wchar By: mirek on Sun, 07 September 2008 13:24
		Re: 16 bits wchar By: mirek on Mon, 04 August 2008 15:03
		Re: 16 bits wchar By: mirek on Sat, 27 October 2007 11:01

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