1. Analyse the chapter and suggest the level of edit required. <br />2.Proceed with language editing and track all changes (including formatting).<br />3.Mention the spelling followed and your reasons for choosing the spelling.<br />4.Raise queries in appropriate places in proper/standard format. This does not mean raising simple queries wherever the sentences look awkward. The copyeditor should be able to give options to the author to choose the appropriate one from your various options.