This file is indexed.

/usr/share/games/enigma/schemas/level.xsd is in enigma-data 1.20-dfsg.1-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs='http://www.w3.org/2001/XMLSchema' targetNamespace="http://enigma-game.org/schema/level/1" xmlns:el="http://enigma-game.org/schema/level/1" elementFormDefault="qualified" attributeFormDefault="qualified" version="0.5" xml:lang="en">
  <xs:annotation>
    <xs:documentation>
      XML schema definitions for Enigma levels
      Copyright © 2006,2007,2008,2009,2010 Ronald Lamprecht

      This program is free software; you can redistribute it and/or
      modify it under the terms of the GNU General Public License
      as published by the Free Software Foundation; either version 2
      of the License, or (at your option) any later version.

      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.

      You should have received a copy of the GNU General Public License along
      with this program; if not, write to the Free Software Foundation, Inc.,
      51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
    </xs:documentation>
  </xs:annotation>
  <xs:element name="level">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="protected" minOccurs="1" maxOccurs="1">
          <xs:annotation>
            <xs:documentation>
              The protected section is reserved for data from the level author.
            </xs:documentation>
          </xs:annotation>
          <xs:complexType>
            <xs:sequence>
              <xs:element name="info" minOccurs="1" maxOccurs="1">
                <xs:complexType>
                  <xs:sequence>
                    <xs:element name="identity" minOccurs="1" maxOccurs="1">
                      <xs:complexType>
                        <xs:attribute name="title" type="xs:string" use="required"/>
                        <xs:attribute name="subtitle" type="xs:string" use="optional"/>
                        <xs:attribute name="id" type="xs:string" use="required"/>
                      </xs:complexType>
                    </xs:element> <!-- identity -->
                    <xs:element name="version" minOccurs="1" maxOccurs="1">
                      <xs:complexType>
                        <xs:attribute name="score" type="xs:positiveInteger" use="required"/>
                        <xs:attribute name="release" type="xs:positiveInteger" use="required"/>
                        <xs:attribute name="revision" use="required">
                          <xs:simpleType>
                            <xs:union memberTypes="xs:unsignedShort el:revisionType"/>
                          </xs:simpleType>
                        </xs:attribute>
                        <xs:attribute name="status" type="el:statusType" use="required"/>
                      </xs:complexType>
                    </xs:element> <!-- version -->
                    <xs:element name="author" minOccurs="1" maxOccurs="1">
                      <xs:complexType>
                        <xs:attribute name="name" type="xs:string" default="anonymous" use="optional"/>
                        <xs:attribute name="email" type="xs:anyURI" use="optional"/>
                        <xs:attribute name="homepage" type="xs:anyURI" use="optional"/>
                      </xs:complexType>
                    </xs:element> <!-- author -->
                    <xs:element name="copyright" minOccurs="1" maxOccurs="1" type="xs:string"/>
                    <xs:element name="license" minOccurs="1" maxOccurs="1">
                      <xs:complexType>
                        <xs:simpleContent>
                          <xs:extension base="xs:string">
                            <xs:attribute name="type" type="xs:string" use="required"/>
                            <xs:attribute name="open" type="xs:boolean" use="required"/>
                          </xs:extension>
                        </xs:simpleContent>
                      </xs:complexType>
                    </xs:element> <!-- license -->
                    <xs:element name="compatibility" minOccurs="1" maxOccurs="1">
                      <xs:complexType>
                        <xs:sequence>
                          <xs:element name="dependency" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                              <xs:attribute name="path" type="xs:string" use="required"/>
                              <xs:attribute name="id" type="xs:string" use="required"/>
                              <xs:attribute name="release" type="xs:unsignedShort" use="required"/>
                              <xs:attribute name="preload" type="xs:boolean" use="required"/>
                              <xs:attribute name="url" type="xs:anyURI" use="optional"/>
                            </xs:complexType>
                          </xs:element> <!-- dependency -->
                          <xs:element name="externaldata" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                              <xs:attribute name="path" type="xs:string" use="optional"/>
                              <xs:attribute name="url" type="xs:anyURI" use="optional"/>
                            </xs:complexType>
                          </xs:element> <!-- externaldata -->
                          <xs:element name="editor" minOccurs="0" maxOccurs="1">
                            <xs:complexType>
                              <xs:attribute name="name" type="xs:string" use="required"/>
                              <xs:attribute name="version" type="xs:string" use="required"/>
                            </xs:complexType>
                          </xs:element> <!-- editor -->
                          <xs:element name="extensions" minOccurs="0" maxOccurs="1">
                            <xs:complexType>
                              <xs:sequence>
                                <xs:any namespace="##targetNamespace" minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
                              </xs:sequence>
                            </xs:complexType>
                          </xs:element> <!-- extensions -->
                        </xs:sequence>
                        <xs:attribute name="enigma" type="xs:float" use="required"/>
                        <xs:attribute name="engine" type="xs:string" use="optional" default="enigma"/>
                      </xs:complexType>
                    </xs:element> <!-- compatibility -->
                    <xs:element name="modes" minOccurs="1" maxOccurs="1">
                      <xs:complexType>
                        <xs:attribute name="easy" type="xs:boolean" use="required"/>
                        <xs:attribute name="single" type="xs:boolean" use="required"/>
                        <xs:attribute name="network" type="xs:boolean" use="required"/>
                        <xs:attribute name="control" type="el:controlType" use="optional" default="force"/>
                        <xs:attribute name="scoreunit" type="el:scoreunitType" use="optional" default="duration"/>
                        <xs:attribute name="scoretarget" type="xs:string" use="optional" default="time"/>
                      </xs:complexType>
                    </xs:element> <!-- modes -->
                    <xs:element name="comments" minOccurs="0" maxOccurs="1">
                      <xs:complexType>
                        <xs:sequence>
                          <xs:element name="credits" minOccurs="0" maxOccurs="1">
                            <xs:complexType>
                              <xs:simpleContent>
                                <xs:extension base="xs:token">
                                  <xs:attribute name="showinfo" type="xs:boolean" use="optional" default="false"/>
                                  <xs:attribute name="showstart" type="xs:boolean" use="optional" default="false"/>
                                </xs:extension>
                              </xs:simpleContent>
                            </xs:complexType>
                          </xs:element> <!-- credits -->
                          <xs:element name="dedication" minOccurs="0" maxOccurs="1">
                            <xs:complexType>
                              <xs:simpleContent>
                                <xs:extension base="xs:token">
                                  <xs:attribute name="showinfo" type="xs:boolean" use="optional" default="false"/>
                                  <xs:attribute name="showstart" type="xs:boolean" use="optional" default="false"/>
                                </xs:extension>
                              </xs:simpleContent>
                            </xs:complexType>
                          </xs:element> <!-- dedication -->
                          <xs:element name="code" minOccurs="0" maxOccurs="1" type="xs:string"/>
                        </xs:sequence>
                      </xs:complexType>
                    </xs:element> <!-- comments -->
                    <xs:element name="update" minOccurs="0" maxOccurs="1">
                      <xs:complexType>
                        <xs:attribute name="url" type="xs:anyURI" use="required"/>
                      </xs:complexType>
                    </xs:element> <!-- update -->
                    <xs:element name="upgrade" minOccurs="0" maxOccurs="1">
                      <xs:complexType>
                        <xs:attribute name="url" type="xs:anyURI" use="required"/>
                        <xs:attribute name="release" type="xs:unsignedShort" use="required"/>
                      </xs:complexType>
                    </xs:element> <!-- upgrade -->
                    <xs:element name="preview" minOccurs="0" maxOccurs="1">
                      <xs:complexType>
                        <xs:anyAttribute namespace="##targetNamespace" processContents="skip"/>
                      </xs:complexType>
                    </xs:element> <!-- preview -->
                    <xs:element name="score" minOccurs="1" maxOccurs="1">
                      <xs:complexType>
                        <xs:attribute name="easy" type="el:scoreType" use="required"/>
                        <xs:attribute name="difficult" type="el:scoreType" use="required"/> 
                      </xs:complexType>
                    </xs:element> <!-- score -->
                    
                    <xs:any namespace="##targetNamespace" minOccurs="0" maxOccurs="unbounded" processContents="skip"/>

                  </xs:sequence>
                  <xs:attribute name="type" type="el:fileType" use="required"/>
                  <xs:attribute name="quantity" type="xs:positiveInteger" use="optional" default="1"/>
                </xs:complexType>
              </xs:element> <!-- info -->
              
              <xs:element name="elements" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                  <xs:sequence>
                    <xs:any namespace="##targetNamespace" minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
                  </xs:sequence>
                </xs:complexType>
              </xs:element> <!-- elements -->
              
              <xs:element name="luamain" minOccurs="0" maxOccurs="1" type="xs:string"/>
              
              <xs:any namespace="##other" minOccurs="0" maxOccurs="1" processContents="skip">
                <xs:annotation>
                  <xs:documentation>
                    Any external level editor is free to include an element of its own
                    namespace for storage of any extensions. This element is ignored by
                    enigma. The editor is free to supply an additional schema for its 
                    element definitions.
                  </xs:documentation>
                </xs:annotation>
              </xs:any>
              
              <xs:element name="i18n" minOccurs="1" maxOccurs="1" >
                <xs:complexType>
                  <xs:sequence>
                    <xs:element name="string" minOccurs="0" maxOccurs="unbounded" >
                      <xs:complexType>
                        <xs:sequence>
                          <xs:element name="english" minOccurs="1" maxOccurs="1">
                            <xs:complexType>
                              <xs:simpleContent>
                                <xs:extension base="xs:normalizedString">
                                  <xs:attribute name="translate" type="xs:boolean" default="true"/>
                                  <xs:attribute name="comment" type="xs:string" use="optional"/>
                                </xs:extension>
                              </xs:simpleContent>
                            </xs:complexType>
                          </xs:element> <!-- english -->
                          <xs:element name="translation" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                              <xs:simpleContent>
                                <xs:extension base="xs:normalizedString">
                                  <xs:attribute name="lang" type="xs:language" use="required"/>
                                </xs:extension>
                              </xs:simpleContent>
                            </xs:complexType>
                          </xs:element> <!-- translation -->
                        </xs:sequence>
                        <xs:attribute name="key" type="xs:string" use="required"/>
                      </xs:complexType>
                    </xs:element> <!-- string -->
                  </xs:sequence>
                </xs:complexType>
              </xs:element> <!-- i18n -->
              
              <xs:any namespace="##targetNamespace" minOccurs="0" maxOccurs="unbounded" processContents="skip"/>

            </xs:sequence>
            <xs:anyAttribute namespace="##targetNamespace" processContents="skip"/>
          </xs:complexType>
        </xs:element> <!-- protected -->
        
        <xs:element name="public" minOccurs="0" maxOccurs="1">
          <xs:annotation>
            <xs:documentation>
              The pubic section for not validated additions by others. All info
              in public is handeled with care by enigma. Translations will be
              suggested to the official translators and only be used if confirmed
              or missing in the translators translations.
            </xs:documentation>
          </xs:annotation>
          <xs:complexType>
            <xs:sequence>
              <xs:element name="i18n" minOccurs="0" maxOccurs="1" >
                <xs:complexType>
                  <xs:sequence>
                    <xs:element name="string" minOccurs="0" maxOccurs="unbounded" >
                      <xs:complexType>
                        <xs:sequence>
                          <xs:element name="translation" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                              <xs:simpleContent>
                                <xs:extension base="xs:normalizedString">
                                  <xs:attribute name="lang" type="xs:language" use="required"/>
                                </xs:extension>
                              </xs:simpleContent>
                            </xs:complexType>
                          </xs:element> <!-- translation -->
                        </xs:sequence>
                        <xs:attribute name="key" type="xs:ID" use="required">
                          <xs:annotation>
                            <xs:documentation>
                              Usage of type xs:ID instead of xs:string is required by evaluation
                              XSLT stylesheets. 
                              It limits the public/i18n/strings to key-identifier usage instead
                              of original complete english string as key usage. But this is not
                              too bad, because it reduces errors due to changed english strings 
                              in the protected area.
                              The ID type guarantees us uniqueness within public/i18n and allows
                              stylesheets and programs to use XPaths to crossover from a 
                              protected/i18n/string to the corresponding public/i18n/string.
                            </xs:documentation>
                          </xs:annotation>
                        </xs:attribute>
                      </xs:complexType>
                    </xs:element> <!-- string -->
                  </xs:sequence>
                </xs:complexType>
              </xs:element> <!-- i18n -->
              <xs:element name="upgrade" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                  <xs:attribute name="url" type="xs:anyURI" use="required"/>
                  <xs:attribute name="release" type="xs:unsignedShort" use="required"/>
                </xs:complexType>
              </xs:element> <!-- upgrade -->
              <xs:element name="extensions" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                  <xs:sequence>
                    <xs:any namespace="##targetNamespace" minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
                  </xs:sequence>
                </xs:complexType>
              </xs:element> <!-- extensions -->
            </xs:sequence>
          </xs:complexType>
        </xs:element> <!-- public -->
      </xs:sequence>
    </xs:complexType>
    
    <xs:key name="stringkey">
      <xs:selector xpath="el:protected/el:i18n/el:string"/>
      <xs:field xpath="@el:key"/>
    </xs:key>
    <xs:keyref name="translationkey" refer="el:stringkey">
      <xs:selector xpath="el:public/el:i18n/el:string"/>
      <xs:field xpath="@el:key"/>
    </xs:keyref>
  </xs:element>
  
  <xs:simpleType name="fileType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="level"/>
      <xs:enumeration value="multilevel"/>
      <xs:enumeration value="library"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="revisionType">
    <xs:restriction base="xs:string">
      <xs:pattern value="$Revision[:]?[ ]*[\d]*[ ]*$"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="statusType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="released"/>
      <xs:enumeration value="stable"/>
      <xs:enumeration value="test"/>
      <xs:enumeration value="experimental"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="controlType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="force"/>
      <xs:enumeration value="balance"/>
      <xs:enumeration value="key"/>
      <xs:enumeration value="other"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="scoreunitType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="duration"/>
      <xs:enumeration value="number"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="scoreType">
    <xs:restriction base="xs:string">
      <xs:pattern value="-|([ \d]?\d:[012345]\d)|(\d)+"/>
    </xs:restriction>
  </xs:simpleType>
</xs:schema>