Saturday, 03 September 2016

BSi editing marks

(or more properly marks for copy preparation and proof correction)

BSi editing marks are designed to make the communication of complex corrections simple.

BS5261 -2 – 2005 is a specification of non-language marks for use in copy preparation and proof correction. It specifies procedures to be followed when marking up copy for the typesetter and the proofing procedure to be followed by typesetter and customer. 

So what do you know about them?

Quiz question 1. How many individual marks are in the standard?

The marks are categorised in four sections, each section focused on a specific area of editing:

A. General, B. Deletion, insertion and substitution, C. Positioning, D. Spacing

21 of the marks are for exclusive use when proofreading but the rest do double duty and are used when either copy-editing or proofreading.


Quiz question 2. The current standard is dated 2005. In what year was the previous standard published?


Test Yourself. An essential aspect of the marks is that they are meant “to be clearly recognizable, memorable, and be quick and easy to reproduce”

So do you think that the marks meet that requirement? Below is a table of ten marks - can you identify the purpose of each one?


The PTC Basic Proofreading course is the perfect place to learn the skills and knowledge required to proofread effectively. Full information on the course can be found here


Quiz answer 1: There are 68 individual marks; General 4, Deletion, insertion and substitution 34, Positioning 21, Spacing 9.

Quiz answer 2: 1976

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