1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>4. MODIFICATIONS</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="LINUX MEDIA INFRASTRUCTURE API"><link rel="up" href="fdl.html" title="Appendix M. GNU Free Documentation License"><link rel="prev" href="fdl-section3.html" title="3. COPYING IN QUANTITY"><link rel="next" href="fdl-section5.html" title="5. COMBINING DOCUMENTS"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">4. MODIFICATIONS</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="fdl-section3.html">Prev</a> </td><th width="60%" align="center">Appendix M. GNU Free Documentation License</th><td width="20%" align="right"> <a accesskey="n" href="fdl-section5.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="fdl-section4"></a>4. MODIFICATIONS</h2></div></div></div><p> 2 You may copy and distribute a <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a> of the <a class="link" href="fdl-section1.html#fdl-document">Document</a> under the conditions of 3 sections <a class="link" href="fdl-section2.html" title="2. VERBATIM COPYING">2</a> and <a class="link" href="fdl-section3.html" title="3. COPYING IN QUANTITY">3</a> above, provided that you release 4 the Modified Version under precisely this License, with the 5 Modified Version filling the role of the Document, thus 6 licensing distribution and modification of the Modified Version 7 to whoever possesses a copy of it. In addition, you must do 8 these things in the Modified Version: 9 </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: opencircle; "><li class="listitem" style="list-style-type: circle"><p><b>A. </b> 10 Use in the <a class="link" href="fdl-section1.html#fdl-title-page">Title 11 Page</a> (and on the covers, if any) a title distinct 12 from that of the <a class="link" href="fdl-section1.html#fdl-document">Document</a>, and from those of 13 previous versions (which should, if there were any, be 14 listed in the History section of the Document). You may 15 use the same title as a previous version if the original 16 publisher of that version gives permission. 17 </p></li><li class="listitem" style="list-style-type: circle"><p><b>B. </b> 18 List on the <a class="link" href="fdl-section1.html#fdl-title-page">Title 19 Page</a>, as authors, one or more persons or entities 20 responsible for authorship of the modifications in the 21 <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a>, 22 together with at least five of the principal authors of 23 the <a class="link" href="fdl-section1.html#fdl-document">Document</a> (all of 24 its principal authors, if it has less than five). 25 </p></li><li class="listitem" style="list-style-type: circle"><p><b>C. </b> 26 State on the <a class="link" href="fdl-section1.html#fdl-title-page">Title 27 Page</a> the name of the publisher of the <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a>, as the 28 publisher. 29 </p></li><li class="listitem" style="list-style-type: circle"><p><b>D. </b> 30 Preserve all the copyright notices of the <a class="link" href="fdl-section1.html#fdl-document">Document</a>. 31 </p></li><li class="listitem" style="list-style-type: circle"><p><b>E. </b> 32 Add an appropriate copyright notice for your modifications 33 adjacent to the other copyright notices. 34 </p></li><li class="listitem" style="list-style-type: circle"><p><b>F. </b> 35 Include, immediately after the copyright notices, a 36 license notice giving the public permission to use the 37 <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a> under 38 the terms of this License, in the form shown in the 39 Addendum below. 40 </p></li><li class="listitem" style="list-style-type: circle"><p><b>G. </b> 41 Preserve in that license notice the full lists of <a class="link" href="fdl-section1.html#fdl-invariant"> Invariant Sections</a> and 42 required <a class="link" href="fdl-section1.html#fdl-cover-texts">Cover 43 Texts</a> given in the <a class="link" href="fdl-section1.html#fdl-document">Document's</a> license notice. 44 </p></li><li class="listitem" style="list-style-type: circle"><p><b>H. </b> 45 Include an unaltered copy of this License. 46 </p></li><li class="listitem" style="list-style-type: circle"><p><b>I. </b> 47 Preserve the section entitled <span class="quote">“<span class="quote">History</span>”</span>, and 48 its title, and add to it an item stating at least the 49 title, year, new authors, and publisher of the <a class="link" href="fdl-section1.html#fdl-modified">Modified Version </a>as given on 50 the <a class="link" href="fdl-section1.html#fdl-title-page">Title Page</a>. If 51 there is no section entitled <span class="quote">“<span class="quote">History</span>”</span> in the 52 <a class="link" href="fdl-section1.html#fdl-document">Document</a>, create one 53 stating the title, year, authors, and publisher of the 54 Document as given on its Title Page, then add an item 55 describing the Modified Version as stated in the previous 56 sentence. 57 </p></li><li class="listitem" style="list-style-type: circle"><p><b>J. </b> 58 Preserve the network location, if any, given in the <a class="link" href="fdl-section1.html#fdl-document">Document</a> for public access 59 to a <a class="link" href="fdl-section1.html#fdl-transparent">Transparent</a> 60 copy of the Document, and likewise the network locations 61 given in the Document for previous versions it was based 62 on. These may be placed in the <span class="quote">“<span class="quote">History</span>”</span> 63 section. You may omit a network location for a work that 64 was published at least four years before the Document 65 itself, or if the original publisher of the version it 66 refers to gives permission. 67 </p></li><li class="listitem" style="list-style-type: circle"><p><b>K. </b> 68 In any section entitled <span class="quote">“<span class="quote">Acknowledgements</span>”</span> or 69 <span class="quote">“<span class="quote">Dedications</span>”</span>, preserve the section's title, 70 and preserve in the section all the substance and tone of 71 each of the contributor acknowledgements and/or 72 dedications given therein. 73 </p></li><li class="listitem" style="list-style-type: circle"><p><b>L. </b> 74 Preserve all the <a class="link" href="fdl-section1.html#fdl-invariant">Invariant 75 Sections</a> of the <a class="link" href="fdl-section1.html#fdl-document">Document</a>, unaltered in their 76 text and in their titles. Section numbers or the 77 equivalent are not considered part of the section titles. 78 </p></li><li class="listitem" style="list-style-type: circle"><p><b>M. </b> 79 Delete any section entitled 80 <span class="quote">“<span class="quote">Endorsements</span>”</span>. Such a section may not be 81 included in the <a class="link" href="fdl-section1.html#fdl-modified">Modified 82 Version</a>. 83 </p></li><li class="listitem" style="list-style-type: circle"><p><b>N. </b> 84 Do not retitle any existing section as 85 <span class="quote">“<span class="quote">Endorsements</span>”</span> or to conflict in title with 86 any <a class="link" href="fdl-section1.html#fdl-invariant">Invariant 87 Section</a>. 88 </p></li></ul></div><p> 89 If the <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a> 90 includes new front-matter sections or appendices that qualify as 91 <a class="link" href="fdl-section1.html#fdl-secondary">Secondary Sections</a> and 92 contain no material copied from the Document, you may at your 93 option designate some or all of these sections as invariant. To 94 do this, add their titles to the list of <a class="link" href="fdl-section1.html#fdl-invariant">Invariant Sections</a> in the 95 Modified Version's license notice. These titles must be 96 distinct from any other section titles. 97 </p><p> 98 You may add a section entitled <span class="quote">“<span class="quote">Endorsements</span>”</span>, 99 provided it contains nothing but endorsements of your <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a> by various 100 parties--for example, statements of peer review or that the text 101 has been approved by an organization as the authoritative 102 definition of a standard. 103 </p><p> 104 You may add a passage of up to five words as a <a class="link" href="fdl-section1.html#fdl-cover-texts">Front-Cover Text</a>, and a passage 105 of up to 25 words as a <a class="link" href="fdl-section1.html#fdl-cover-texts">Back-Cover Text</a>, to the end of 106 the list of <a class="link" href="fdl-section1.html#fdl-cover-texts">Cover Texts</a> 107 in the <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a>. 108 Only one passage of Front-Cover Text and one of Back-Cover Text 109 may be added by (or through arrangements made by) any one 110 entity. If the <a class="link" href="fdl-section1.html#fdl-document">Document</a> 111 already includes a cover text for the same cover, previously 112 added by you or by arrangement made by the same entity you are 113 acting on behalf of, you may not add another; but you may 114 replace the old one, on explicit permission from the previous 115 publisher that added the old one. 116 </p><p> 117 The author(s) and publisher(s) of the <a class="link" href="fdl-section1.html#fdl-document">Document</a> do not by this License 118 give permission to use their names for publicity for or to 119 assert or imply endorsement of any <a class="link" href="fdl-section1.html#fdl-modified">Modified Version </a>. 120 </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="fdl-section3.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="fdl.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="fdl-section5.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">3. 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