demo · v135

::before::marker for declarative bullets

The pattern called out in the spec issue: an author wants to drop a checked-bullet glyph on each generated ::before box of a custom list. Before nested pseudo styling, the only way was to content the glyph inline, which loses list semantics and breaks selection. With li::before::marker you style the bullet of the generated box directly — semantics, contrast, and copy-paste all stay intact.

::before::marker: ?

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