Bulat Ziganshin wrote:
Hello Andrew,
Thursday, November 29, 2007, 1:11:38 AM, you wrote:
IMHO, someone should make a full proposal by implementing an alternative
System.IO library that deals with all these encoding issues and
implements H98 IO in terms of that.
We need two seperate interfaces. One for text-mode I/O, one for raw
binary I/O.
When doing text-mode I/O, the programmer needs to be able to explicitly
specify exactly which character encoding is required. (Presumably
default to the current 8-bit truncation encoding?)
http://haskell.org/haskellwiki/Library/Streams already exists
Which would mean that we have streams to do character I/O, ByteString to
do binary I/O, and System.IO to do, eh, something in between.
That seems rather unfortunate to me. While the "truncate to 8 bits"
semantics may be nice to keep old code working, it really isn't all that
intuitive. When I do 'putStr "u\776"', I want a u with an umlaut to
appear, not to get it printed as if it were "u\8".
The strange thing is that Hugs at the moment _does_ print a u-umlaut,
while ghci prints "u\8", which is a u followed by a backspace, so I see
nothing.
Reinier
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