The sessions look at the use of punctuation, sentences, paragraph construction and concise writing.

BBC: Leeds Building Society staff get grammar lessons

However, it declined to comment further and did not elaborate on who might be confused by the use of correct punctuation.

BBC: Apostrophe ban on Devon council's new street names

The AP Stylebook is one of the premier guides for American writers and copy-editors, and its rules dictate how the vast majority of newspapers and magazines use words, phrases, grammar and punctuation.

BBC: Are language cops losing war against 'wrongly' used words?