Don't misrename manpages. Tk bug 3604346.

Index: unix/installManPage
--- unix/installManPage.orig
+++ unix/installManPage
@@ -82,7 +82,7 @@ Names=`sed -n '
 
 	    # Convert all non-space non-alphanum sequences
 	    # to single underscores.
-	    s/[^ A-Za-z0-9][^ A-Za-z0-9]*/_/g
+	    #s/[^ A-Za-z0-9][^ A-Za-z0-9]*/_/g
 	    p
 	    g
 	    /^\./{
