Hush the nanny.
diff --git a/Doc/tools/indfix.py b/Doc/tools/indfix.py
index fbf81e6..6e8e911 100755
--- a/Doc/tools/indfix.py
+++ b/Doc/tools/indfix.py
@@ -30,14 +30,14 @@
 
 def dump_entries(write, entries):
     if len(entries) == 1:
-	write("  \\item %s (%s)%s\n" % entries[0])
-	return
+        write("  \\item %s (%s)%s\n" % entries[0])
+        return
     write("  \item %s\n" % entries[0][0])
     # now sort these in a case insensitive manner:
     if len(entries) > 0:
-	entries.sort(cmp_entries)
+        entries.sort(cmp_entries)
     for xxx, subitem, pages in entries:
-	write("    \subitem %s%s\n" % (subitem, pages))
+        write("    \subitem %s%s\n" % (subitem, pages))
 
 
 breakable_re = re.compile(
@@ -56,31 +56,31 @@
     match = breakable_re.match
     write = ofp.write
     while 1:
-	line = ifp.readline()
-	if not line:
-	    break
-	m = match(line)
-	if m:
-	    entry = m.group(1, 2, 3)
-	    if entries and entries[-1][0] != entry[0]:
-		dump_entries(write, entries)
-		entries = []
-	    entries.append(entry)
-	elif entries:
-	    dump_entries(write, entries)
-	    entries = []
-	    write(line)
-	else:
-	    write(line)
+        line = ifp.readline()
+        if not line:
+            break
+        m = match(line)
+        if m:
+            entry = m.group(1, 2, 3)
+            if entries and entries[-1][0] != entry[0]:
+                dump_entries(write, entries)
+                entries = []
+            entries.append(entry)
+        elif entries:
+            dump_entries(write, entries)
+            entries = []
+            write(line)
+        else:
+            write(line)
     del write
     del match
     ifp.close()
     data = ofp.getvalue()
     ofp.close()
     if ofn == "-":
-	ofp = sys.stdout
+        ofp = sys.stdout
     else:
-	ofp = open(ofn, "w")
+        ofp = open(ofn, "w")
     ofp.write(data)
     ofp.close()
 
@@ -90,8 +90,8 @@
     outfile = None
     opts, args = getopt.getopt(sys.argv[1:], "o:")
     for opt, val in opts:
-	if opt in ("-o", "--output"):
-	    outfile = val
+        if opt in ("-o", "--output"):
+            outfile = val
     filename = args[0]
     outfile = outfile or filename
     process(filename, outfile)