Results 5 issues of Bill.大狗

Right now, some other special characters are stripped in `convertToSafeString()`, like @ and dot. If people use `email` as the alias for `fe_users`, the URL would be `someonedomaincom`, but `someone-domain-com`...

An easy update for #427

After updating some codes to get the extension working in TYPO3 v9, I could upload the image in NewAction. However, when I tried to edit the record and upload another...

Fluid used the XHTML syntax to represent boolean values. This change adjusts the `TagBuilder` to use the modern syntax. This change is considered non-breaking because it results in the same...

Right now $tagBuilder->addAttribute('attr', NULL); // `->getAttribute('attr')` returns `NULL`, and `->render()` results ` attr=""` $tagBuilder->addAttribute('attr', TRUE); // `->getAttribute('attr')` returns `'attr'`, and `->render()` results ` attr="attr"` $tagBuilder->addAttribute('attr', FALSE); // `->getAttribute('attr')` returns `NULL`...