Re: What is this invisible character?
Re: What is this invisible character?
- Subject: Re: What is this invisible character?
- From: Deborah Goldsmith <email@hidden>
- Date: Mon, 24 Mar 2008 17:59:54 -0700
UTF-8 should only be used for text files that are expected to be
passed to legacy software (including Internet applications). For text
that is not in a plain text file (or HTML or other MIME subtype of
TEXT), UTF-16 is preferred.
NSString will interpret the BOM for you if you indicate the encoding
is "external".
Deborah Goldsmith
Apple Inc.
email@hidden
On Mar 19, 2008, at 11:34 AM, Jens Alfke wrote:
On 19 Mar '08, at 10:04 AM, J. Todd Slack wrote:
How do I write an ASCII 254 and ASCII 255 at the beginning of the
NSString
that I am putting in the file I want to be read back in at a later
date? '
Those wouldn't go into the NSString; they're the byte-order-mark
that prefixes the UTF-16 data, not part of the character data itself.
I really recommend you write out the string in UTF-8 instead, as I
suggested yesterday (with example code). UTF-8 is the most common
modern encoding for text, because (a) it's a superset of ascii, and
(b) for Roman alphabets it's up to twice as compact as UTF-16.
—Jens_______________________________________________
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