[BUG] html2ft handling empty attribute

[renatodamas]

Describe the bug html2ft converts boolean attributes to empty string (attribute_name='') instead of conveting it to attribute_name=True.

Minimal Reproducible Example Enter <div hidden> <p> Text ... </p> </div> at https://h2f.answer.ai/

Expected behavior You should get:

Div(
    P('Text ...'),
    hidden=True
)

but instead you get:

Div(
    P('Text ...'),
    hidden=''
)

When it renders, it is leading to the html code: <div> <p> Text ... </p> </div>, which differ from the original one.

Environment Information

• fastlite version: 1.8.1
• fastcore version: 0.1.3
• fasthtml version: 0.12.14

Confirmation Please confirm the following:

• [ x ] I have read the FAQ (https://docs.fastht.ml/explains/faq.html)
• [ x ] I have provided a minimal reproducible example
• [ x ] I have included the versions of fastlite, fastcore, and fasthtml
• [ x ] I understand that this is a volunteer open source project with no commercial support.