_utf8 POST parameter on gmail login contains a snowman character [duplicate]

post login utf-8 gmail

Solution 1:

The _utf8 header along with a Unicode character is to ensure that

  1. At least one Unicode character is submitted to the server
  2. Force certain non-compliant browsers to respect the form's character encoding

In some cases, the _utf8 header is given a value of a ☃ and sometimes it is a ✓. What it is doesn't really matter and may have arbitrarily been chosen for fun.

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