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A bracket pushing matter to the left.
Also known as: Shift left mark, Take back mark
The proof correction mark instructing that matter be moved to the left.
Instructs that matter be moved to the left.
Contexts: Technical drawing
Opens a family of four directional marks in which a bracket's position and orientation give the direction of movement.
Contexts: Technical drawing
A square bracket placed to the left of the matter with its open side facing the text.