Deletion of EasyScript Speed Writing

Comment: An article on a particular abbreviated writing system, much of the article being close to a |how-to guide. The 2007 AfD appears to have been influenced by the existence of the books, but these are . The best source found in my searches is a https://books.google.co.uk/books?id=3aiA1URwOXIC&pg=PA4&sa=X&ved=0ahUKEwiNy8vrqqDbAhVGC8AKHdzTCrQQuwUIKjAA passing mention of this and another such technique in a book but neither that nor anything else found provides sufficient |evidence of |notability
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (:WP:NOTHOWTO||:WP:PRIMARY||:WP:RS||:WP:GNG)