4.0
[SV #38945] Copy the entire buffer back when overwriting CR
New special variable: .RECIPEPREFIX Allows the user to reset the prefix character for introducing recipe lines from the default (tab) to any other single character, and back again. Also, reworked the manual to consistently use the word "recipe" to describe the set of commands we use to update a target, instead of the various phrases used in the past: "commands", "command lines", "command scripts", etc.
[SV 27374] Fatal immediately on unrecoverable fopen() errors.
* Added the test suite to the main distribution.
Convert all "`'" quotes to "''" per new GNU Coding Standard guidelines. Fixes Savannah bug #34530.
- Fix Savannah bug #19108 - Fix Savannah bug #17752 - Test suite: * When tests fail keep a "run" file containing the command invoked. * Support for the Valgrind "memcheck" and "massif" tools.