Added a tool for making a rough check of LaTeX documents.
It checks for known commands, forward slashes, unbalanced or
mismatched delimters, and unbalanced or mismatched begin/end blocks.
diff --git a/Misc/NEWS b/Misc/NEWS
index d29c90e..b943391 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -44,6 +44,9 @@
 Tools/Demos
 -----------
 
+- texcheck.py is a new script for making a rough validation of Python LaTeX
+  files.
+
 Build
 -----