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diff --git a/hyph/hyphenation.dtd b/hyph/hyphenation.dtd
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+<?xml version="1.0" encoding="US-ASCII"?>
+<!--
+  Copyright 1999-2004 The Apache Software Foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- $Id$ -->
+
+<!ELEMENT hyphenation-info (hyphen-char?, hyphen-min?,
+                           classes, exceptions?, patterns)>
+
+<!-- Hyphen character to be used in the exception list as shortcut for
+     <hyphen pre-break="-"/>. Defaults to '-'
+-->
+<!ELEMENT hyphen-char EMPTY>
+<!ATTLIST hyphen-char value CDATA #REQUIRED>
+
+<!-- Default minimun length in characters of hyphenated word fragments
+     before and after the line break. For some languages this is not
+     only for aesthetic purposes, wrong hyphens may be generated if this
+     is not accounted for.
+-->
+<!ELEMENT hyphen-min EMPTY>
+<!ATTLIST hyphen-min before CDATA #REQUIRED>
+<!ATTLIST hyphen-min after CDATA #REQUIRED>
+
+<!-- Character equivalent classes: space separated list of character groups, all
+     characters in a group are to be treated equivalent as far as
+     the hyphenation algorithm is concerned. The first character in a group
+     is the group's equivalent character. Patterns should only contain
+     first characters. It also defines word characters, i.e. a word that
+     contains characters not present in any of the classes is not hyphenated.
+-->
+<!ELEMENT classes (#PCDATA)>
+
+<!-- Hyphenation exceptions: space separated list of hyphenated words.
+     A hyphen is indicated by the hyphen tag, but you can use the
+     hyphen-char defined previously as shortcut. This is in cases
+     when the algorithm procedure finds wrong hyphens or you want
+     to provide your own hyphenation for some words.
+-->
+<!ELEMENT exceptions (#PCDATA|hyphen)* >
+
+<!-- The hyphenation patterns, space separated. A pattern is made of 'equivalent'
+     characters as described before, between any two word characters a digit
+     in the range 0 to 9 may be specified. The absence of a digit is equivalent
+     to zero. The '.' character is reserved to indicate begining or ending
+     of words. -->
+<!ELEMENT patterns (#PCDATA)>
+
+<!-- A "full hyphen" equivalent to TeX's \discretionary
+     with pre-break, post-break and no-break attributes.
+     To be used in the exceptions list, the hyphen character is not
+     automatically added -->
+<!ELEMENT hyphen EMPTY>
+<!ATTLIST hyphen pre CDATA #IMPLIED>
+<!ATTLIST hyphen no CDATA #IMPLIED>
+<!ATTLIST hyphen post CDATA #IMPLIED>