MetaPost: Working on the file extension (work in progress).

[[Split portion of a mixed commit.]]

source/texk/web2c/luatexdir/luatex_svnversion.h

 #ifndef luatex_svn_revision_h
 #define luatex_svn_revision_h
-#define luatex_svn_revision 7532
+#define luatex_svn_revision 7534
 #endif

source/texk/web2c/mplibdir/ChangeLog

+2022-07-31 Luigi Scarso <luigi.scarso@gmail.com>
+    * MetaPost: Working on the file extension (work in progress).
+
 2022-05-28  Akira Kakuto  <kakuto@jcom.zaq.ne.jp>
 
         * mp.w: Typo.

source/texk/web2c/mplibdir/mp.w

@@ -34815,9 +34815,9 @@ extreme cases so it may have to be shortened on some systems.
 @<Use |c| to compute the file extension |s|@>=
 {
-  s = xmalloc (12, 1);
-  mp_snprintf (s, 12, ".%i", (int) c);
-  s[7]='\0';
+  s = xmalloc (13, 1);
+  mp_snprintf (s, 13, ".%i", (int) c);
+  s[13]='\0';
 }