Where are you specifying the text encoding of the HTML "document" passed to
NSMutableAttributedString(HTML:, documentAttributes:)? The default encoding for
HTML used to be ISO-8859-1, not UTF-8, for HTML 4 and earlier (and could
continue to be interpreted that way by NSAttributedString for compatibility).
That could explain the extra character being displayed since the string you're
passing as the HTML parameter to NSMutableAttributedString doesn't include, for
example, a charset="utf8" meta tag in its <head> that would specify the desired
encoding.
And, unless you're doing some extra formatting not shown in your code snippet,
is there any reason you wouldn't be initializing ats with
NSAttributedString(string:s)?
> On Jun 22, 2016, at 9:32 AM, tridiak <trid...@ihug.co.nz> wrote:
>
> I am setting some text to a NSTextView which includes the ‘½’ character.
>
> s = name + “ CR "
> switch (CR) {
> case 0.5:
> s=s+”½” // \u{00bd}
> case 0.33:
> s=s+"⅓"
> case 0.25:
> s=s+"¼"
> case 0.2:
> s=s+"⅕"
> case 0.17:
> s=s+"⅙"
> case 0.14:
> s=s+"⅐"
> case 0.13:
> s=s+"⅛"
> default:
> if CR<1 {s=s+String(format:"%.1f", CR)}
> else {s=s+String(format:"%.0f", CR)}
> }
> s=s+"\n”
>
> let d : NSData = s.dataUsingEncoding(NSUTF8StringEncoding)!
> let ats : NSMutableAttributedString = NSMutableAttributedString(HTML: d,
> documentAttributes: nil)!
> self.blab.textStorage?.setAttributedString(ats)
>
>
> What I see is 'Aasimar CR ½’ instead of 'Aasimar CR ½’.
> Where is the ‘Â' coming from?
> Is it the font or some swift-obj-C confusion?
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