(mask') n.

1. Text editing. A control line that marks off specific character positions in every line in a file, protecting them from changes during the editing process.

2. Graphics. a shape that limits the area of a graphic or image that is used, displayed, or processed.


3. to hide or exclude from processing by the use of a mask.

4. Macro language. to use macro quoting to remove the special significance of (a special character or operator).

MASK (SAS word)

Line command.

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