EntityNormalizer: Add colons to emoji alt text.

This makes it possible to copy them and still have them work.

Closes #802 (closed)

added 1 commit

• c2dfe1f6 - EntityNormalizerSpec: Test new behavior.

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• 3c54f9d8 - EntityNormalizerSpec: More fixes

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• 05167f20 - EntityNormalizerSpec: More fixes.

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merged

mentioned in commit 7f755878