Bump to version 1.9991

CHANGES

 
 This file is public domain.
 
+----------------------------------------------------------------------
+What is new in MetaPost version 1.9991:
+----------------------------------------------------------------------
+
+* Some issues fixed, but really this is in preparation of metapost 2.0.
+
 ----------------------------------------------------------------------
 What is new in MetaPost version 1.999:
 ----------------------------------------------------------------------

source/texk/web2c/mplibdir/ChangeLog

+2016-03-06  Luigi Scarso  <luigi.scarso@gmail.com>
+	Bump to version 1.9991.
+
+
+
 2015-12-16  Luigi Scarso  <luigi.scarso@gmail.com>
 	Updated to cairo-1.14.6, gmp-6.1.0 and libpng-1.6.20.
 	Fixed some issues with tfm files.

source/texk/web2c/mplibdir/mp.w

@@ -73,12 +73,12 @@ undergoes any modifications, so that it will be clear which version of
 @^extensions to \MP@>
 @^system dependencies@>
-@d default_banner "This is MetaPost, Version 1.999" /* printed when \MP\ starts */
+@d default_banner "This is MetaPost, Version 1.9991" /* printed when \MP\ starts */
 @d true 1
 @d false 0
 @<Metapost version header@>=
-#define metapost_version "1.999"
+#define metapost_version "1.9991"
 @ The external library header for \MP\ is |mplib.h|. It contains a
 few typedefs and the header defintions for the externally used