Blue Pencil

Blue pencil (editing)

A blue pencil, also known as a checking pencil, is a two-color pencil traditionally used by an editor to correct a written copy. The blue end is typically Prussian blue, and the red end is typically a warm vermilion. They are most often half red and half blue, but some are 70% red and 30% blue. An editor-in-chief would use a blue colored pencil to make proofreading marks and final notes on a manuscript before sending it to be typeset and published.

Blue pencil doctrine

The blue pencil doctrine is a legal concept in common law countries in which a court finds that portions of a contract are void or unenforceable, but other portions of the contract are enforceable. The blue pencil rule allows the legally valid enforceable provisions of the contract to stand despite the nullification of the legally void unenforceable provisions. The revised version, however, must still represent the original meaning. The rule may not be invoked, for example, to delete the word "not" and thereby change a negative to a positive.

Pencil

A pencil is a writing or drawing implement with a solid pigment core in a protective casing that reduces the risk of core breakage and keeps it from marking the user's hand.

Blue

Blue is one of the three primary colours in the RGB (additive) colour model, as well as in the RYB colour model. It lies between violet and cyan on the spectrum of visible light. The term blue generally describes colours perceived by humans observing light with a dominant wavelength between approximately 450 and 495 nanometres. The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering. An optical effect called the Tyndall effect explains blue eyes. Distant objects appear more blue because of another optical effect called aerial perspective.

blue-pencil

Verb

1. To edit, especially to censor, written documents.
2. To use a line-item veto.