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Is Nesting Block-Level Elements Inside `` Tags in HTML4 Valid and Semantically Correct?
Is Nesting Block-Level Elements Inside `` Tags in HTML4 Valid and Semantically Correct?
Nested Block-Level Elements Within in HTML4: Validity and Semantics
The question of nesting block-level elements, such as
element in HTML4 Transitional DTD arises often. Understanding the syntactic and semantic implications is crucial.
Syntactic Validity
Syntactically, nesting a
is invalid according to all HTML standards. Conformant HTML parsers will automatically close the
element when an opening
Semantic Considerations
Semantically, the appropriate markup depends on the intended meaning of the content. If the content genuinely represents a paragraph, nesting a block-level element within
is inappropriate.
However, if the paragraph contains a section that semantically differs from the rest, such as a highlighted subheading or an image with a caption, using a
Note that both
do form a paragraph and the
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