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'\ncleaned_complex = my_cleaner.clean(complex_html)\nprint(f\"Cleaned with Cleaner: {cleaned_complex}\")","lang":"python","description":"This example demonstrates basic HTML sanitization using `bleach.clean()` and URL linkification with `bleach.linkify()`. It also shows how to use a `Cleaner` instance for more advanced or repeated sanitization tasks with custom allowed tags and attributes."},"warnings":[{"fix":"Consider alternative HTML sanitization libraries, or fork/maintain `bleach` and `html5lib` at your own risk for existing projects. Do not use for new development.","message":"The Bleach project was officially deprecated on January 23, 2023, due to its reliance on the unmaintained `html5lib` library. It is now in a minimum-maintenance mode, and new projects are explicitly discouraged from using it.","severity":"deprecated","affected_versions":">=6.0.0"},{"fix":"Update argument values from lists to Python `set` objects (e.g., `['b', 'i']` becomes `{'b', 'i'}`).","message":"For `bleach.clean()`, `bleach.sanitizer.Cleaner`, `bleach.html5lib_shim.BleachHTMLParser`, `tags` and `protocols` arguments changed from lists to sets. Similarly, for `bleach.linkify()` and `bleach.linkifier.Linker`, `skip_tags` and `recognized_tags` arguments changed from lists to sets.","severity":"breaking","affected_versions":">=6.0.0"},{"fix":"Install the `css` extra (`pip install 'bleach[css]'`) and review the updated documentation for CSS sanitization in `style` attributes.","message":"CSS sanitization behavior within `style` attributes was completely rewritten. If you were sanitizing CSS, you will need to update your code. This functionality now requires installing `bleach` with the `[css]` extra: `pip install 'bleach[css]'`.","severity":"breaking","affected_versions":">=6.0.0"},{"fix":"Update custom attribute callable functions to accept the `tag` argument as the first parameter.","message":"Attribute callables (functions passed to `attributes` argument) for `clean()` and `linkify()` changed their signature. They now expect three arguments: `tag`, `attribute_name`, and `attribute_value`, rather than just `attribute_name` and `attribute_value`.","severity":"breaking","affected_versions":">=2.0.0"},{"fix":"Always pass `bleach.clean()` output through an additional escaping mechanism (like `django.utils.html.escape` or Jinja2's `escape`) if it's going into an HTML attribute or any non-HTML context.","message":"The output of `bleach.clean()` is intended for use specifically in an HTML *content* context (e.g., `