support unescaping forward slash

[amagee-willow]

Adds support for unescaping the / character. This is one of the characters that i18next itself escapes so I think this is a must.

This fixes #1487 which is closed but not fixed.

Note I have only handled exactly &#x2F, case sensitively. This is what i18next's escaper produces so it's enough to fix the issue. Handling case insensitivity would be a further improvement, though this applies to some of the existing codes too. It's not completely trivial. For example, some entities support all-lowercase and all-uppercase versions but not mixtures, and some only support lowercase. For example, & and & are both valid versions of the ampersand, but &aMp; is not. However for ellipsis, only … is supported, … is not. The numeric codes like &#x2F appear to support any mixture of case.

Checklist

• only relevant code is changed (make a diff before you submit the PR)
• run tests npm run test
• tests are included
• commit message and code follows the Developer's Certification of Origin

Checklist (for documentation change)

• only relevant documentation part is changed (make a diff before you submit the PR)
• motivation/reason is provided
• commit message and code follows the Developer's Certification of Origin

[coveralls]

Coverage remained the same at 95.862% when pulling c6cfd9a on amagee-willow:master into db9ba28 on i18next:master.

[adrai]

Thank you. It's included in v11.18.5

[npearson72]

@adrai and @amagee I'm on 11.18.6 and still seeing the issue. Is there a special trick to this? Here's what I have:

        <Trans
          t={t}
          i18nKey="paragraph2"
          values={{ phone: '(800) 555-1212', url: 'https://example.com' }}
        >
          <Anchor href={`tel:${'(800) 555-1212'}`} target="new" />
          <Anchor href="https://example.com" target="new" />
        </Trans>

My url gets displayed like so: https://example.com

[adrai]

@adrai and @amagee I'm on 11.18.6 and still seeing the issue. Is there a special trick to this? Here's what I have:

        <Trans
          t={t}
          i18nKey="paragraph2"
          values={{ phone: '(800) 555-1212', url: 'https://example.com' }}
        >
          <Anchor href={`tel:${'(800) 555-1212'}`} target="new" />
          <Anchor href="https://example.com" target="new" />
        </Trans>

My url gets displayed like so: https://example.com

@npearson72 please create a reproducible example... seems to work here: https://codesandbox.io/s/react-i18next-http-example-forked-svfc2x?file=/src/app.js:995-1254

[npearson72]

@adrai I found my issue. I was missing this:

    interpolation: {
      escapeValue: false
    }

Thank you buddy!