Original sentence: He is outlining these changes in a series of essays, called Apocalypses, which are numbered to correspond to chapters in Programming Perl ("The Camel Book").Perl 6 grammar is distinct from Perl and not intended to be backwards-compatible, though a compatibility mode is part of the specification.Perl 6 is a re-design of the language, introducing elements of many modern and historical languages
Edited sentence: He is outlining these changes in a series of long essays, called Apocalypses, which are numbered to correspond to chapters in Programming Perl ("The Camel Book").Perl 6 grammar is distinct from Perl and not intended to be backwards-compatible.Perl 6 is a major re-design of the Perl language from most imaginable perspectives.The discussion forums for Perl 6 had been posted to regularly through 2004, 2005 up until Febuary 2006.The extent and extended nature of the project has been the subject of substantial discussion.The language revisions take on flavours of Smalltalk and Python, but adding several altogether new concepts in language design.There is instead compatibility mode