Add convenience makefile to check the latest what's new.

The invocation of Python is MacOS-specific; not sure how to make it platform indepedent (but maybe it doesn't matter)

diff --git a/Doc/whatsnew/Makefile b/Doc/whatsnew/Makefile
new file mode 100644 (file)
index 0000000..d11f97b
--- /dev/null
+++ b/Doc/whatsnew/Makefile
@@ -0,0 +1,3 @@
+
+check:
+       ../../python.exe ../../Tools/scripts/texcheck.py whatsnew25.tex