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TLDR: Use the step attribute in HTML to control numeric increments, allowing customization of decimal precision. The pattern attribute can enforce specific formats but lacks built-in UI controls. step is ideal for numerical inputs, while pattern is better for complex text validation. Both can show validation states in CSS.

https://piccalil.li/blog/using-the-step-and-pattern-attributes-to-make-number-inputs-more-useful/

HTML whitespace is complex and often leads to unintended design issues due to ambiguity in how spaces are treated. Inline elements preserve spaces differently than block elements, and CSS can further complicate whitespace behavior. Issues arise in tools like automated formatting, content management systems, and minification, which can inadvertently alter how whitespace is rendered. The confusion stems from the need to balance developer intent with rendered output. Though

 tags retain whitespace, they can be awkward to use, and CSS properties like white-space provide some control over behavior but don’t fully resolve the challenge. The intricacies of HTML whitespace lead to persistent problems for developers and require careful management of both content and styling.

https://blog.dwac.dev/posts/html-whitespace/
			

Explored web accessibility and HTML, updating blog using semantic elements like