1<!-- Copyright (C) 2013 Free Software Foundation, Inc.
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3     Copying and distribution of this file, with or without modification,
4     are permitted in any medium without royalty provided the copyright
5     notice and this notice are preserved.  -->
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10<!ELEMENT block        EMPTY>
11<!ATTLIST block        begin  CDATA   #REQUIRED
12                       end    CDATA   #REQUIRED>
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