Added doubled word warnings.
diff --git a/Tools/scripts/texcheck.py b/Tools/scripts/texcheck.py
index 6da4370..68be451 100644
--- a/Tools/scripts/texcheck.py
+++ b/Tools/scripts/texcheck.py
@@ -98,6 +98,7 @@
 
     delimiters = re.compile(r'\\(begin|end){([_a-zA-Z]+)}|([()\[\]])')
     braces = re.compile(r'({)|(})')
+    doubledwords = re.compile(r'(\b[A-za-z]+\b) \b\1\b')
 
     openers = []                            # Stack of pending open delimiters
     bracestack = []                         # Stack of pending open braces
@@ -175,6 +176,8 @@
         if 'e.g.' in line or 'i.e.' in line:
             print r'Style warning, avoid use of i.e or e.g. on line %d' % (lineno,)
 
+        for dw in doubledwords.findall(line):
+            print r'Doubled word warning.  "%s" on line %d' % (dw, lineno)
 
     lastline = lineno
     for lineno, symbol in openers: