A reglet is a piece of wooden spacing material used in

typesetting Typesetting is the composition of text by means of arranging physical ''type'' (or ''sort'') in mechanical systems or '' glyphs'' in digital systems representing '' characters'' (letters and other symbols).Dictionary.com Unabridged. Random ...

, usually to provide spacing between paragraphs, though it is sometimes used to fill in small spaces not taken up by type in the chase.

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