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Allow emoji domain names #420

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Allow emoji domain names #420

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Commits on Jul 8, 2023

  1. Bump nokogiri version to make dev environment work

    @mhlz
    mhlz committed Jul 8, 2023
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  2. Replace idn-ruby with SimpleIDN and add more domain validation 

    idn-ruby is uses libidn2, which, unfortunately, does not recognize
domain names that include emojis such as 馃寛馃寛馃寛.st, even though they are
valid and work in pretty much any modern browser.

Additionally the JS implementation of twitter-text already does
recognize links such as https://馃寛馃寛馃寛.st as valid link entities.

Replacing idn-ruby with another ruby gem that impelements the punycode
conversion and adding some new validation to the is_valid_domain
function allows for https://馃寛馃寛馃寛.st to be returned as a valid link
entity, without accepting any other invalid links that are tested in the
conformity test suite.
    @mhlz
    mhlz committed Jul 8, 2023
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