3.78.91
* Fix backslash-escape in targets. * Release 3.78.91.
* Change $(call...) to not expand arguments by default. * Unify the way arguments are passed to builtin functions in function.c.
* Added the test suite to the main distribution.
* Various changes and fixes. See ChangeLog.
* Updates for VMS, Windows, and DOS ports. * Clean up some warnings.
* Fix PR/1394. * Apply changes from Paul Eggert. * Many other cleanups (index/rindex --> strchr/strrchr, etc.)