Skip to content
  • Home Home Home, current page.
  • Moments Moments Moments, current page.

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @
  • Language: English
    • Bahasa Indonesia
    • Bahasa Melayu
    • Català
    • Čeština
    • Dansk
    • Deutsch
    • English UK
    • Español
    • Filipino
    • Français
    • Hrvatski
    • Italiano
    • Magyar
    • Nederlands
    • Norsk
    • Polski
    • Português
    • Română
    • Slovenčina
    • Suomi
    • Svenska
    • Tiếng Việt
    • Türkçe
    • Ελληνικά
    • Български език
    • Русский
    • Српски
    • Українська мова
    • עִבְרִית
    • العربية
    • فارسی
    • मराठी
    • हिन्दी
    • বাংলা
    • ગુજરાતી
    • தமிழ்
    • ಕನ್ನಡ
    • ภาษาไทย
    • 한국어
    • 日本語
    • 简体中文
    • 繁體中文
  • Have an account? Log in
    Have an account?
    · Forgot password?

    New to Twitter?
    Sign up
RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

Tweets

Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

Tweets

  • © 2018 Twitter
  • About
  • Help Center
  • Terms
  • Privacy policy
  • Cookies
  • Ads info
Dismiss
Previous
Next

Go to a person's profile

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @

Promote this Tweet

Block

  • Tweet with a location

    You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more

    Your lists

    Create a new list


    Under 100 characters, optional

    Privacy

    Copy link to Tweet

    Embed this Tweet

    Embed this Video

    Add this Tweet to your website by copying the code below. Learn more

    Add this video to your website by copying the code below. Learn more

    Hmm, there was a problem reaching the server.

    By embedding Twitter content in your website or app, you are agreeing to the Twitter Developer Agreement and Developer Policy.

    Preview

    Why you're seeing this ad

    Log in to Twitter

    · Forgot password?
    Don't have an account? Sign up »

    Sign up for Twitter

    Not on Twitter? Sign up, tune into the things you care about, and get updates as they happen.

    Sign up
    Have an account? Log in »

    Two-way (sending and receiving) short codes:

    Country Code For customers of
    United States 40404 (any)
    Canada 21212 (any)
    United Kingdom 86444 Vodafone, Orange, 3, O2
    Brazil 40404 Nextel, TIM
    Haiti 40404 Digicel, Voila
    Ireland 51210 Vodafone, O2
    India 53000 Bharti Airtel, Videocon, Reliance
    Indonesia 89887 AXIS, 3, Telkomsel, Indosat, XL Axiata
    Italy 4880804 Wind
    3424486444 Vodafone
    » See SMS short codes for other countries

    Confirmation

     

    Welcome home!

    This timeline is where you’ll spend most of your time, getting instant updates about what matters to you.

    Tweets not working for you?

    Hover over the profile pic and click the Following button to unfollow any account.

    Say a lot with a little

    When you see a Tweet you love, tap the heart — it lets the person who wrote it know you shared the love.

    Spread the word

    The fastest way to share someone else’s Tweet with your followers is with a Retweet. Tap the icon to send it instantly.

    Join the conversation

    Add your thoughts about any Tweet with a Reply. Find a topic you’re passionate about, and jump right in.

    Learn the latest

    Get instant insight into what people are talking about now.

    Get more of what you love

    Follow more accounts to get instant updates about topics you care about.

    Find what's happening

    See the latest conversations about any topic instantly.

    Never miss a Moment

    Catch up instantly on the best stories happening as they unfold.

    1. Rich Felker‏ @RichFelker 12 Sep 2017

      Apparently the extent of UTF-8's amazingness still isn't widely know. Today on #musl some1 asked to confirm mb chars never have ASCII bytes.

      1 reply 9 retweets 25 likes
      Show this thread
    2. Rich Felker‏ @RichFelker 12 Sep 2017

      Not only do ASCII bytes never appear in multibyte UTF-8 chars; NO character is ever a substring of another character.

      1 reply 2 retweets 9 likes
      Show this thread
    3. Rich Felker‏ @RichFelker 12 Sep 2017

      UTF-8 was really a work of brilliance, guaranteeing what's pretty much a maximal set of important desirable properties like this.

      2 replies 3 retweets 15 likes
      Show this thread
    4. Rich Felker‏ @RichFelker 12 Sep 2017

      Of course the desirable properties necessitate one property that's hard to like: not all byte sequences can be legal/valid.

      2 replies 0 retweets 2 likes
      Show this thread
    5. Rich Felker‏ @RichFelker 12 Sep 2017

      But understanding the design goals/motivations makes it pretty obvious that this was the only reasonable tradeoff.

      1 reply 0 retweets 2 likes
      Show this thread
    6. Rich Felker‏ @RichFelker 12 Sep 2017

      @rob_pike's UTF-8 history (https://www.cl.cam.ac.uk/~mgk25/ucs/utf-8-history.txt …) sheds a lot of light on the desirable props, but some didn't become obvious til later.

      1 reply 2 retweets 11 likes
      Show this thread
      Rich Felker‏ @RichFelker 12 Sep 2017

      Just about the only thing that arguably could have been done better in UTF-8 would have been offsetting the base value for multibyte chars..

      7:43 PM - 12 Sep 2017
      • 2 Likes
      • Pitiphong P. Jackie!!
      2 replies 0 retweets 2 likes
        1. New conversation
        2. Rich Felker‏ @RichFelker 12 Sep 2017

          So that, for example, c0 80 would represent 0x80+[decoded_bits] = 0x80 rather than being an illegal sequence.

          1 reply 0 retweets 2 likes
          Show this thread
        3. Rich Felker‏ @RichFelker 12 Sep 2017

          This would have allowed shorter encoding of a few chars and eliminated the confusion about "overlong sequences" & their invalidity.

          2 replies 0 retweets 3 likes
          Show this thread
        4. End of conversation
        1. New conversation
        2. Martin Vilcans‏ @vilcans 13 Sep 2017
          Replying to @RichFelker

          Maybe it would've been better if it was incompatible with ASCII , avoiding confusion about which encoding a given string has.

          1 reply 0 retweets 0 likes
        3. Rich Felker‏ @RichFelker 13 Sep 2017
          Replying to @vilcans

          Demonstrating the original point of the thread? :-)

          1 reply 0 retweets 0 likes
        4. Rich Felker‏ @RichFelker 13 Sep 2017
          Replying to @RichFelker @vilcans

          In any case there's no such confusion. An ASCII string *is* (not "is confusable with") UTF-8.

          1 reply 0 retweets 0 likes
        5. Martin Vilcans‏ @vilcans 13 Sep 2017
          Replying to @RichFelker

          As ASCII is a subset of both Latin-1 and UTF-8 it causes a lot of confusion I'd say.

          1 reply 0 retweets 0 likes
        6. Rich Felker‏ @RichFelker 13 Sep 2017
          Replying to @vilcans

          Your point is either not clear in <140-char units or not well thought-out.

          1 reply 0 retweets 0 likes
        7. Rich Felker‏ @RichFelker 13 Sep 2017
          Replying to @RichFelker @vilcans

          Only "confusion" I can see here is that when existing data is all ASCII you don't inherently know whether processes will accept UTF-8 edits.

          1 reply 0 retweets 0 likes
        8. Rich Felker‏ @RichFelker 13 Sep 2017
          Replying to @RichFelker @vilcans

          But there's never a confusion about how to interpret the existing ASCII data. Any way you choose is right.

          1 reply 0 retweets 0 likes
        9. Martin Vilcans‏ @vilcans 13 Sep 2017
          Replying to @RichFelker

          If you are given a string, e.g. "Hello world", how do you know its encoding? You can't see the difference in that specific case.

          2 replies 0 retweets 0 likes
        10. 2 more replies

      Loading seems to be taking a while.

      Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

        Promoted Tweet

        false

        • © 2018 Twitter
        • About
        • Help Center
        • Terms
        • Privacy policy
        • Cookies
        • Ads info