Proper Unicode Support for Tags

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Issue #2900 new
Robert JΓ€schke created an issue

Apparently, not all Unicode characters are allowed as tags. For example, the character πŸ˜ƒ (SMILING FACE WITH OPEN MOUTH) can not be added as a tag.

Steps to reproduce:

  1. Edit a post and add πŸ˜ƒ as a tag.
  2. Save the post.
  3. Edit the post again (or go to https://www.bibsonomy.org/tag/πŸ˜ƒ)::) the tag has disappeared (and the post is not listed on https://www.bibsonomy.org/tag/πŸ˜ƒ)..)

There's also a problem with the JavaScript tag editor (when adding tags in the post list): it accepts the tag and adds it to the HTML page but after a reload the tag is gone.

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