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20 g2boojum 1.6 [<b><a href="http://www.gentoo.org/proj/en/glep/glep-0044.txt">GLEP Source</a></b>]
21 g2boojum 1.1 </td></tr></table>
22     <table class="rfc2822 docutils field-list" frame="void" rules="none">
23     <col class="field-name" />
24     <col class="field-body" />
25     <tbody valign="top">
26     <tr class="field"><th class="field-name">GLEP:</th><td class="field-body">44</td>
27     </tr>
28     <tr class="field"><th class="field-name">Title:</th><td class="field-body">Manifest2 format</td>
29     </tr>
30 antarus 1.10 <tr class="field"><th class="field-name">Version:</th><td class="field-body">1.7</td>
31 g2boojum 1.1 </tr>
32 betelgeuse 1.11 <tr class="field"><th class="field-name">Last-Modified:</th><td class="field-body"><a class="reference external" href="http://www.gentoo.org/cgi-bin/viewcvs.cgi/xml/htdocs/proj/en/glep/glep-0044.txt?cvsroot=gentoo">2006/10/14 02:55:39</a></td>
33 g2boojum 1.1 </tr>
34     <tr class="field"><th class="field-name">Author:</th><td class="field-body">Marius Mauch &lt;genone&#32;&#97;t&#32;gentoo.org&gt;,</td>
35     </tr>
36 betelgeuse 1.11 <tr class="field"><th class="field-name">Status:</th><td class="field-body">Final</td>
37 g2boojum 1.1 </tr>
38     <tr class="field"><th class="field-name">Type:</th><td class="field-body">Standards Track</td>
39     </tr>
40 betelgeuse 1.11 <tr class="field"><th class="field-name">Content-Type:</th><td class="field-body"><a class="reference external" href="glep-0002.html">text/x-rst</a></td>
41 g2boojum 1.1 </tr>
42     <tr class="field"><th class="field-name">Created:</th><td class="field-body">04-Dec-2005</td>
43     </tr>
44 g2boojum 1.6 <tr class="field"><th class="field-name">Post-History:</th><td class="field-body">06-Dec-2005, 23-Jan-2006, 3-Sep-2006</td>
45 g2boojum 1.1 </tr>
46     </tbody>
47     </table>
48     <hr />
49 betelgeuse 1.11 <div class="contents topic" id="contents">
50     <p class="topic-title first">Contents</p>
51 g2boojum 1.1 <ul class="simple">
52 betelgeuse 1.11 <li><a class="reference internal" href="#abstract" id="id9">Abstract</a></li>
53     <li><a class="reference internal" href="#motivation" id="id10">Motivation</a></li>
54     <li><a class="reference internal" href="#specification" id="id11">Specification</a><ul>
55     <li><a class="reference internal" href="#compability-entries" id="id12">Compability Entries</a></li>
56     <li><a class="reference internal" href="#scope" id="id13">Scope</a></li>
57     <li><a class="reference internal" href="#number-of-hashes" id="id14">Number of hashes</a></li>
58 g2boojum 1.1 </ul>
59     </li>
60 betelgeuse 1.11 <li><a class="reference internal" href="#rationale" id="id15">Rationale</a><ul>
61     <li><a class="reference internal" href="#removal-of-digest-files" id="id16">Removal of digest files</a></li>
62     <li><a class="reference internal" href="#reducing-redundancy" id="id17">Reducing redundancy</a></li>
63     <li><a class="reference internal" href="#removal-of-checksum-collisions" id="id18">Removal of checksum collisions</a></li>
64     <li><a class="reference internal" href="#flexible-verification-system" id="id19">Flexible verification system</a></li>
65 g2boojum 1.1 </ul>
66     </li>
67 betelgeuse 1.11 <li><a class="reference internal" href="#backwards-compatibility" id="id20">Backwards Compatibility</a></li>
68     <li><a class="reference internal" href="#other-problems" id="id21">Other problems</a><ul>
69     <li><a class="reference internal" href="#impacts-on-infrastructure" id="id22">Impacts on infrastructure</a></li>
70 g2boojum 1.1 </ul>
71     </li>
72 betelgeuse 1.11 <li><a class="reference internal" href="#reference-implementation" id="id23">Reference Implementation</a></li>
73     <li><a class="reference internal" href="#options" id="id24">Options</a></li>
74     <li><a class="reference internal" href="#credits" id="id25">Credits</a></li>
75     <li><a class="reference internal" href="#references" id="id26">References</a></li>
76     <li><a class="reference internal" href="#copyright" id="id27">Copyright</a></li>
77 g2boojum 1.1 </ul>
78     </div>
79 betelgeuse 1.11 <div class="section" id="abstract">
80     <h1><a class="toc-backref" href="#id9">Abstract</a></h1>
81 g2boojum 1.1 <p>This GLEP proposes a new format for the Portage Manifest and digest file system
82     by unifying both filetypes into one to improve functional and non-functional
83     aspects of the Portage Tree.</p>
84     </div>
85 betelgeuse 1.11 <div class="section" id="motivation">
86     <h1><a class="toc-backref" href="#id10">Motivation</a></h1>
87     <p>Please see <a class="footnote-reference" href="#reorg-thread" id="id1">[1]</a> for a general overview.
88 g2boojum 1.1 The main long term goals of this proposal are to:</p>
89     <ul class="simple">
90     <li>Remove the tiny digest files from the tree. They are a major annoyance as on a
91 genone 1.3 typical configuration they waste a lot of disk space and the simple transmission
92 g2boojum 1.1 of the names for all digest files during a <tt class="docutils literal"><span class="pre">emerge</span> <span class="pre">--sync</span></tt> needs a substantial
93     amount of bandwidth.</li>
94     <li>Reduce redundancy when multiple hash functions are used</li>
95     <li>Remove potential for checksum collisions if a file is recorded in more than one
96     digest file</li>
97     <li>Difference between filetypes for a more flexible verification system</li>
98     </ul>
99     </div>
100 betelgeuse 1.11 <div class="section" id="specification">
101     <h1><a class="toc-backref" href="#id11">Specification</a></h1>
102 g2boojum 1.1 <p>The new Manifest format would change the existing format in the following ways:</p>
103     <ul>
104     <li><p class="first">Addition of a filetype specifier, currently planned are</p>
105     <ul class="simple">
106 genone 1.4 <li><tt class="docutils literal"><span class="pre">AUX</span></tt> for files directly used by ebuilds (e.g. patches or initscripts),
107 g2boojum 1.1 located in the <tt class="docutils literal"><span class="pre">files/</span></tt> subdirectory</li>
108     <li><tt class="docutils literal"><span class="pre">EBUILD</span></tt> for all ebuilds</li>
109 genone 1.4 <li><tt class="docutils literal"><span class="pre">MISC</span></tt> for files not directly used by ebuilds like <tt class="docutils literal"><span class="pre">ChangeLog</span></tt> or
110 g2boojum 1.1 <tt class="docutils literal"><span class="pre">metadata.xml</span></tt> files</li>
111 genone 1.4 <li><tt class="docutils literal"><span class="pre">DIST</span></tt> for release tarballs recorded in the <tt class="docutils literal"><span class="pre">SRC_URI</span></tt> variable of an ebuild,
112 g2boojum 1.1 these were previously recorded in the digest files</li>
113     </ul>
114 g2boojum 1.6 <p>Future portage improvements might extend this list (for example with types
115 g2boojum 1.1 relevant for eclasses or profiles)</p>
116     </li>
117 g2boojum 1.6 <li><p class="first">Only have one line per file listing all information instead of one line per
118 g2boojum 1.1 file and checksum type</p>
119     </li>
120     <li><p class="first">Remove the separated digest-* files in the <tt class="docutils literal"><span class="pre">files/</span></tt> subdirectory</p>
121     </li>
122     </ul>
123     <p>Each line in the new format has the following format:</p>
124     <pre class="literal-block">
125     &lt;filetype&gt; &lt;filename&gt; &lt;filesize&gt; &lt;chksumtype1&gt; &lt;chksum1&gt; ... &lt;chksumtypen&gt; &lt;chksumn&gt;
126     </pre>
127     <p>However theses entries will be stored in the existing Manifest files.</p>
128 betelgeuse 1.11 <p>An <a class="reference external" href="glep-0044-extras/manifest2-example.txt">actual example</a> <a class="footnote-reference" href="#id7" id="id8">[6]</a> for a (pure) Manifest2 file..</p>
129     <div class="section" id="compability-entries">
130     <h2><a class="toc-backref" href="#id12">Compability Entries</a></h2>
131 g2boojum 1.1 <p>To maintain compability with existing portage versions a transition period after
132 g2boojum 1.6 is the introduction of the Manifest2 format is required during which portage
133 g2boojum 1.1 will not only have to be capable of using existing Manifest and digest files but
134     also generate them in addition to the new entries.
135     Fortunately this can be accomplished by simply mixing old and new style entries
136     in one file for the Manifest files, existing portage versions will simply ignore
137 g2boojum 1.6 the new style entries. For the digest files there are no new entries to care
138 g2boojum 1.1 about.</p>
139     </div>
140 betelgeuse 1.11 <div class="section" id="scope">
141     <h2><a class="toc-backref" href="#id13">Scope</a></h2>
142 g2boojum 1.6 <p>It is important to note that this proposal only deals with a change of the
143 g2boojum 1.1 format of the digest and Manifest system.</p>
144     <p>It does not expand the scope of it to cover eclasses, profiles or anything
145     else not already covered by the Manifest system, it also doesn't affect
146     the Manifest signing efforts in any way (though the implementations of both
147     might be coupled).</p>
148     <p>Also while multiple hash functions will become standard with the proposed
149 betelgeuse 1.11 implementation they are not a specific feature of this format <a class="footnote-reference" href="#multi-hash-thread" id="id3">[2]</a>.</p>
150 genone 1.4 </div>
151 betelgeuse 1.11 <div class="section" id="number-of-hashes">
152     <h2><a class="toc-backref" href="#id14">Number of hashes</a></h2>
153 genone 1.4 <p>While using multiple hashes for each file is a major feature of this proposal
154     we have to make sure that the number of hashes listed is limited to avoid
155     an explosion of the Manifest size that would revert the main benefit of this proposal
156     (reduzing tree size). Therefore the number of hashes that will be generated
157 g2boojum 1.6 will be limited to three different hash functions. For compability though we
158 genone 1.4 have to rely on at least one hash function to always be present, this proposal
159     suggest to use SHA1 for this purpose (as it is supposed to be more secure than MD5
160     and currently only SHA1 and MD5 are directly available in python, also MD5 doesn't
161     have any benefit in terms of compability).</p>
162 g2boojum 1.1 </div>
163     </div>
164 betelgeuse 1.11 <div class="section" id="rationale">
165     <h1><a class="toc-backref" href="#id15">Rationale</a></h1>
166     <p>The main goals of the proposal have been listed in the <a class="reference internal" href="#motivation">Motivation</a>, here now
167 g2boojum 1.6 the explanation why they are improvements and how the proposed format will
168 g2boojum 1.1 accomplish them.</p>
169 betelgeuse 1.11 <div class="section" id="removal-of-digest-files">
170     <h2><a class="toc-backref" href="#id16">Removal of digest files</a></h2>
171 g2boojum 1.6 <p>Normal users that don't use a &quot;tuned&quot; filesystem for the portage tree are
172 genone 1.3 wasting several dozen to a few hundred megabytes of disk space with the current
173 g2boojum 1.6 system, largely caused by the digest files.
174     This is due to the filesystem overhead present in most filesystem that
175     have a standard blocksize of four kilobytes while most digest files are under
176 g2boojum 1.1 one kilobyte in size, so this results in approximately a waste of three kilobytes
177     per digest file (likely even more). At the time of this writing the tree contains
178     roughly 22.000 digest files, so the overall waste caused by digest files is
179     estimated at about 70-100 megabytes.
180 g2boojum 1.6 Furthermore it is assumed that this will also reduce the disk space wasted by
181     the Manifest files as they now contain more content, but this hasn't been
182 g2boojum 1.1 verified yet.</p>
183     <p>By unifying the digest files with the Manifest these tiny files are eliminated
184 g2boojum 1.6 (in the long run), reducing the apparent tree size by about 20%, benefitting
185 g2boojum 1.1 both users and the Gentoo infrastructure.</p>
186     </div>
187 betelgeuse 1.11 <div class="section" id="reducing-redundancy">
188     <h2><a class="toc-backref" href="#id17">Reducing redundancy</a></h2>
189 g2boojum 1.6 <p>When multiple hashes are used with the current system
190 g2boojum 1.1 both the filename and filesize are repeated for every checksum type used as each
191 g2boojum 1.6 checksum is standalone. However this doesn't add any functionality and is
192 g2boojum 1.1 therefore useless, so the new format removes this redundancy.
193 g2boojum 1.6 This is a theoretical improvement at this moment as only one hash function is in
194 betelgeuse 1.11 use, but expected to change soon (see <a class="footnote-reference" href="#multi-hash-thread" id="id4">[2]</a>).</p>
195 g2boojum 1.1 </div>
196 betelgeuse 1.11 <div class="section" id="removal-of-checksum-collisions">
197     <h2><a class="toc-backref" href="#id18">Removal of checksum collisions</a></h2>
198 g2boojum 1.6 <p>The current system theoretically allows for a <tt class="docutils literal"><span class="pre">DIST</span></tt> type file to be recorded
199 g2boojum 1.1 in multiple digest files with different sizes and/or checksums. In such a case
200 g2boojum 1.6 one version of a package would report a checksum violation while another one
201 g2boojum 1.1 would not. This could create confusion and uncertainity among users.
202 g2boojum 1.6 So far this case hasn't been observed, but it can't be ruled out with the
203 g2boojum 1.1 existing system.
204     As the new format lists each file exactly once this would be no longer possible.</p>
205     </div>
206 betelgeuse 1.11 <div class="section" id="flexible-verification-system">
207     <h2><a class="toc-backref" href="#id19">Flexible verification system</a></h2>
208 g2boojum 1.1 <p>Right now portage verifies the checksum of every file listed in the Manifest
209 g2boojum 1.6 before using any file of the package and all <tt class="docutils literal"><span class="pre">DIST</span></tt> files of an ebuild
210 g2boojum 1.1 before using that ebuild. This is unnecessary in many cases:</p>
211     <ul class="simple">
212 g2boojum 1.6 <li>During the &quot;depend&quot; phase (when the ebuild metadata is generated) only
213 g2boojum 1.1 files of type <tt class="docutils literal"><span class="pre">EBUILD</span></tt> are used, so verifying the other types isn't
214     necessary. Theoretically it is possible for an ebuild to include other
215 genone 1.4 files like those of type <tt class="docutils literal"><span class="pre">AUX</span></tt> at this phase, but that would be a
216 g2boojum 1.1 major QA violation and should never occur, so it can be ignored here.
217     It is also not a security concern as the ebuild is verified before parsing
218     it, so each manipulation would show up.</li>
219 g2boojum 1.6 <li>Generally files of type <tt class="docutils literal"><span class="pre">MISC</span></tt> don't need to be verified as they are
220 g2boojum 1.1 only used in very specific situations, aren't executed (just parsed at most)
221     and don't affect the package build process.</li>
222 genone 1.4 <li>Files of type <tt class="docutils literal"><span class="pre">DIST</span></tt> only need to be verified directly after fetching and
223 g2boojum 1.6 before unpacking them (which often will be one step), not every time their
224 g2boojum 1.1 associated ebuild is used.</li>
225     </ul>
226     </div>
227     </div>
228 betelgeuse 1.11 <div class="section" id="backwards-compatibility">
229     <h1><a class="toc-backref" href="#id20">Backwards Compatibility</a></h1>
230 g2boojum 1.6 <p>Switching the Manifest system is a task that will need a long transition period
231     like most changes affecting both portage and the tree. In this case the
232 g2boojum 1.1 implementation will be rolled out in several phases:</p>
233     <ol class="arabic simple">
234     <li>Add support for verification of Manifest2 entries in portage</li>
235     <li>Enable generation of Manifest2 entries in addition to the current system</li>
236 g2boojum 1.6 <li>Ignore digests during <tt class="docutils literal"><span class="pre">emerge</span> <span class="pre">--sync</span></tt> to get the size-benefit clientside.
237 g2boojum 1.1 This step may be ommitted if the following steps are expected to follow soon.</li>
238     <li>Disable generation of entries for the current system</li>
239     <li>Remove all traces of the current system from the tree (serverside)</li>
240     </ol>
241 g2boojum 1.6 <p>Each step has its own issues. While 1) and 2) can be implemented without any
242 g2boojum 1.1 compability problems all later steps have a major impact:</p>
243     <ul class="simple">
244 g2boojum 1.6 <li>Step 3) can only be implemented when the whole tree is Manifest2 ready
245 g2boojum 1.1 (ideally speaking, practically the requirement will be more like 95% coverage
246 g2boojum 1.6 with the expectation that for the remaining 5% either bugs will be filed after
247 g2boojum 1.1 step 3) is completed or they'll be updated at step 5).</li>
248 g2boojum 1.6 <li>Steps 4) and 5) will render all portage versions without Manifest2 support
249     basically useless (users would have to regenerate the digest and Manifest
250 g2boojum 1.1 for each package before being able to merge it), so this requires a almost
251 g2boojum 1.6 100% coverage of the userbase with Manifest2 capabale portage versions
252 g2boojum 1.1 (with step 1) completely implemented).</li>
253     </ul>
254     <p>Another problem is that some steps affect different targets:</p>
255     <ul class="simple">
256     <li>Steps 1) and 3) target portage versions used by users</li>
257     <li>Steps 2) and 4) target portage versions used by devs</li>
258     <li>Step 5) targets the portage tree on the cvs server</li>
259     </ul>
260 g2boojum 1.6 <p>While it is relatively easy to get all devs to use a new portage version this is
261 g2boojum 1.1 practically impossible with users as some don't update their systems regulary.
262 g2boojum 1.6 While six months are probably sufficient to reach a 95% coverage one year is
263 g2boojum 1.1 estimated to reach an almost-complete coverage. All times are relative to the
264     stable-marking of a compatible portage version.</p>
265     <p>No timeframe for implementation is presented here as it is highly dependent
266     on the completion of each step.</p>
267     <p>In summary it can be said that while a full conversion will take over a year
268 g2boojum 1.6 to be completed due to compability issues mentioned above some benefits of the
269 genone 1.2 system can selectively be used as soon as step 2) is completed.</p>
270 g2boojum 1.1 </div>
271 betelgeuse 1.11 <div class="section" id="other-problems">
272     <h1><a class="toc-backref" href="#id21">Other problems</a></h1>
273     <div class="section" id="impacts-on-infrastructure">
274     <h2><a class="toc-backref" href="#id22">Impacts on infrastructure</a></h2>
275 g2boojum 1.1 <p>While one long term goal of this proposal is to reduce the size of the tree
276 g2boojum 1.6 and therefore make life for the Gentoo Infrastructure easier this will only
277     take effect once the implementation is rolled out completely. In the meantime
278 genone 1.2 however it will increase the tree size due to keeping checksums in both formats.
279 g2boojum 1.6 It's not possible to give a usable estimate on the degree of the increase as
280     it depends on many variables such as the exact implementation timeframe,
281     propagation of Manifest2 capable portage versions among devs or the update
282     rate of the tree. It has been suggested that Manifest files that are not gpg
283     signed could be mass converted in one step, this could certainly help but only
284 betelgeuse 1.11 to some degree (according to a recent research <a class="footnote-reference" href="#gpg-numbers" id="id5">[3]</a> about 40% of
285 genone 1.2 all Manifests in the tree are signed, but this number hasn't been verified).</p>
286 g2boojum 1.1 </div>
287     </div>
288 betelgeuse 1.11 <div class="section" id="reference-implementation">
289     <h1><a class="toc-backref" href="#id23">Reference Implementation</a></h1>
290 g2boojum 1.6 <p>A patch for a prototype implementation of Manifest2 verification and partial
291 betelgeuse 1.11 generation has been posted at <a class="footnote-reference" href="#manifest2-patch" id="id6">[4]</a>, it will be reworked before
292 g2boojum 1.6 being considered for inclusion in portage. However it shows that adding support
293     for verification is quite simple, but generation is a bit tricky and will
294 g2boojum 1.1 therefore be implemented later.</p>
295     </div>
296 betelgeuse 1.11 <div class="section" id="options">
297     <h1><a class="toc-backref" href="#id24">Options</a></h1>
298 g2boojum 1.6 <p>Some things have been considered for this GLEP but aren't part of the proposal
299 g2boojum 1.1 yet for various reasons:</p>
300     <ul class="simple">
301 g2boojum 1.6 <li>timestamp field: the author has considered adding a timestamp field for
302 g2boojum 1.1 each entry to list the time the entry was created. However so far no practical
303     use for such a feature has been found.</li>
304     <li>convert size field into checksum: Another idea was to treat the size field
305 g2boojum 1.6 like any other checksum. But so far no real benefit (other than a slightly
306     more modular implementation) for this has been seen while it has several
307 g2boojum 1.1 drawbacks: For once, unlike checksums, the size field is definitely required
308 g2boojum 1.6 for all <tt class="docutils literal"><span class="pre">DIST</span></tt> files, also it would slightly increase the length of
309 g2boojum 1.1 each entry by adding a <tt class="docutils literal"><span class="pre">SIZE</span></tt> keyword.</li>
310 genone 1.4 <li>removal of the <tt class="docutils literal"><span class="pre">MISC</span></tt> type: It has been suggested to completely drop
311     entries of type <tt class="docutils literal"><span class="pre">MISC</span></tt>. This would result in a minor space reduction
312 g2boojum 1.1 (its rather unlikely to free any blocks) but completely remove the ability
313 g2boojum 1.6 to check these files for integrity. While they don't influence portage
314 g2boojum 1.1 or packages directly they can contain viable information for users, so
315 g2boojum 1.6 the author has the opinion that at least the option for integrity checks
316 g2boojum 1.1 should be kept.</li>
317     </ul>
318     </div>
319 betelgeuse 1.11 <div class="section" id="credits">
320     <h1><a class="toc-backref" href="#id25">Credits</a></h1>
321 g2boojum 1.1 <p>Thanks to the following persons for their input on or related to this GLEP
322     (even though they might not have known it):
323     Ned Ludd (solar), Brian Harring (ferringb), Jason Stubbs (jstubbs),
324     Robin H. Johnson (robbat2), Aron Griffis (agriffis)</p>
325 g2boojum 1.6 <p>Also thanks to Nicholas Jones (carpaski) to make the current Manifest system
326 g2boojum 1.1 resistent enough to be able to handle this change without too many transition
327     problems.</p>
328     </div>
329 betelgeuse 1.11 <div class="section" id="references">
330     <h1><a class="toc-backref" href="#id26">References</a></h1>
331 g2boojum 1.1 <table class="docutils footnote" frame="void" id="reorg-thread" rules="none">
332     <colgroup><col class="label" /><col /></colgroup>
333     <tbody valign="top">
334 betelgeuse 1.11 <tr><td class="label"><a class="fn-backref" href="#id1">[1]</a></td><td><a class="reference external" href="http://thread.gmane.org/gmane.linux.gentoo.devel/21920">http://thread.gmane.org/gmane.linux.gentoo.devel/21920</a></td></tr>
335 g2boojum 1.1 </tbody>
336     </table>
337     <table class="docutils footnote" frame="void" id="multi-hash-thread" rules="none">
338     <colgroup><col class="label" /><col /></colgroup>
339     <tbody valign="top">
340 betelgeuse 1.11 <tr><td class="label">[2]</td><td><em>(<a class="fn-backref" href="#id3">1</a>, <a class="fn-backref" href="#id4">2</a>)</em> <a class="reference external" href="http://thread.gmane.org/gmane.linux.gentoo.devel/33434">http://thread.gmane.org/gmane.linux.gentoo.devel/33434</a></td></tr>
341 g2boojum 1.1 </tbody>
342     </table>
343     <table class="docutils footnote" frame="void" id="gpg-numbers" rules="none">
344     <colgroup><col class="label" /><col /></colgroup>
345     <tbody valign="top">
346 betelgeuse 1.11 <tr><td class="label"><a class="fn-backref" href="#id5">[3]</a></td><td>gentoo-core mailing list, topic &quot;Gentoo key signing practices
347     and official Gentoo keyring&quot;, Message-ID &lt;<a class="reference external" href="mailto:20051117075838.GB15734&#64;curie-int.vc.shawcable.net">20051117075838.GB15734&#64;curie-int.vc.shawcable.net</a>&gt;</td></tr>
348 g2boojum 1.1 </tbody>
349     </table>
350     <table class="docutils footnote" frame="void" id="manifest2-patch" rules="none">
351     <colgroup><col class="label" /><col /></colgroup>
352     <tbody valign="top">
353 betelgeuse 1.11 <tr><td class="label"><a class="fn-backref" href="#id6">[4]</a></td><td><a class="reference external" href="http://thread.gmane.org/gmane.linux.gentoo.portage.devel/1374">http://thread.gmane.org/gmane.linux.gentoo.portage.devel/1374</a></td></tr>
354 genone 1.4 </tbody>
355     </table>
356     <table class="docutils footnote" frame="void" id="manifest2-example" rules="none">
357     <colgroup><col class="label" /><col /></colgroup>
358     <tbody valign="top">
359 betelgeuse 1.11 <tr><td class="label">[5]</td><td><a class="reference external" href="http://www.gentoo.org/proj/en/glep/glep-0044-extras/manifest2-example">http://www.gentoo.org/proj/en/glep/glep-0044-extras/manifest2-example</a></td></tr>
360 genone 1.4 </tbody>
361     </table>
362     <table class="docutils footnote" frame="void" id="id7" rules="none">
363     <colgroup><col class="label" /><col /></colgroup>
364     <tbody valign="top">
365 betelgeuse 1.11 <tr><td class="label"><a class="fn-backref" href="#id8">[6]</a></td><td><a class="reference external" href="glep-0044-extras/manifest2-example.txt">glep-0044-extras/manifest2-example.txt</a></td></tr>
366 g2boojum 1.1 </tbody>
367     </table>
368     </div>
369 betelgeuse 1.11 <div class="section" id="copyright">
370     <h1><a class="toc-backref" href="#id27">Copyright</a></h1>
371 g2boojum 1.1 <p>This document has been placed in the public domain.</p>
372     </div>
373    
374     </div>
375     <div class="footer">
376     <hr class="footer" />
377 betelgeuse 1.11 <a class="reference external" href="glep-0044.txt">View document source</a>.
378     Generated on: 2009-01-11 19:35 UTC.
379     Generated by <a class="reference external" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference external" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source.
380 g2boojum 1.1
381     </div>
382     </body>
383     </html>

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