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float:left;margin-left:10px; padding-top:0px; padding-left:0px; } .single .blog_title a:hover { cursor:default; text-decoration:none; } .noclass{ -moz-box-shadow:none !important; box-shadow:none !important; -webkit-box-shadow: none !important; opacity:1 !important; border: none !important; }#headerimgwrap{ top:20%; } #page { width: 90%; } .narrowcolumn { float:left; margin:0; padding:25px 3% 20px 2%; width:75%; } #l_sidebar { float:left; padding:25px 1% 0 2%; width:17% }#dropdown, .top-menu{ text-align:left; }#header { background-repeat: no-repeat; background-position: center center; height: 110px; } .hleft, .hright { height: 70px; }table.statictable { font-family: verdana,arial,sans-serif; font-size:12px; color:#333333; border-width: 1px; border-color: #666666; border-collapse: collapse; } table.statictable th { border-width: 1px; padding: 8px; border-style: solid; border-left: 1em; border-right: 1em; border-color: #D2D2D2; background-color: #CACACA; } table.statictable td { 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-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2); -moz-box-shadow: 0 1px 2px rgba(0,0,0,.2); box-shadow: 0 1px 2px rgba(0,0,0,.2); color: #505050; border: solid 1px #b7b7b7; background: #fff; background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#ededed)); background: -moz-linear-gradient(top, #fff, #ededed); filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#ededed'); } input[type="button"]:hover, .button:hover, div#infinite-handle span:hover { text-decoration: none; background: #ededed; background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#dcdcdc)); background: -moz-linear-gradient(top, #fff, #dcdcdc); filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#dcdcdc'); } input[type="button"]:active, .button:active, div#infinite-handle span: active { position: relative; top: 1px; color: #999; background: -webkit-gradient(linear, left top, left bottom, from(#ededed), to(#fff)); background: -moz-linear-gradient(top, #ededed, #fff); filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ededed', endColorstr='#ffffff'); } .search_label_bold { text-align: left; border-style: none; font-weight: bold; } .error { font-weight: bold; color: red; } textarea { font-family: inherit; font-size: inherit; } /*DIV to hold scroll tables*/ .scrolltable{ width:95% } /*-------------------------------------------------------------------------------- ----------------------------RFCMETA PAGE Styles--------------------------------------- -------------------------------------------------------------------------------*/ body.rfcmeta { font-family: 'Noto Sans', sans-serif; color: #2C4353; width: 100%;} body.rfcmeta #page { width: 100%; box-shadow:none; margin-top: 0px;} body.rfcmeta .hright { height:120px;} body.rfcmeta #header {width: 100%; background-color: #fff; box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); -moz-box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); margin-bottom: 0px;;} 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colspan="4"><h3>Errata Search</h3></th> </tr> <tr class="ibar"> <td class="search_label_bold" colspan="2"> <label for="rfc">RFC Number:</label> <input type="text" id="rfc" name="rfc" size="4" maxlength="4" value="2119" /> </td> <td class="search_label_bold" colspan="2"> <label for="eid">Errata ID:</label> <input type="text" id="eid" name="eid" size="4" maxlength="4" /> </td> </tr> <tr><td colspan="4"> </td></tr> <tr> <td style="text-decoration: underline;">Source of RFC</td> <td> </td> <td><label for="rec_status">Status:</label></td> <td> <select name="rec_status" id="rec_status"> <option value="15">All/Any</option> <option value="0" >Verified+Reported</option> <option value="1">Verified</option> <option value="2">Reported</option> <option value="3">Held for Document Update</option> <option value="9">Rejected</option> </select> </td> </tr> <tr> <td><label for="area_acronym">Area Acronym:</label></td> <td class="userdata"> <select name="area_acronym" id="area_acronym"><option value="" selected="selected">All/Any</option> <option value="app">app</option> <option value="art">art</option> <option value="gen">gen</option> <option value="int">int</option> <option value="ops">ops</option> <option value="rai">rai</option> <option value="rtg">rtg</option> <option value="sec">sec</option> <option value="tsv">tsv</option> <option value="wit">wit</option> </select> </td> <td> <label for="errata_type">Type:</label> </td> <td class="userdata"> <select name="errata_type" id="errata_type"> <option value="" selected="selected">All/Any</option> <option value="1">Editorial</option> <option value="2">Technical</option> </select> </td> </tr> <tr> <td> <label for="wg_acronym">WG Acronym:</label> </td> <td class="userdata"> <input id="wg_acronym" size="6" type="text" name="wg_acronym" maxlength="10" /> </td> <td> <label for="submitter_name">Submitter Name:</label> </td> <td class="userdata"> <input id="submitter_name" size="20" type="text" name="submitter_name" maxlength="60" /> </td> </tr> <tr> <td> <label for="stream_name">Other:</label> </td> <td class="userdata"> <select name="stream_name" id="stream_name"><option value="" selected="selected">All/Any</option> <option value="IAB">IAB</option> <option value="INDEPENDENT">INDEPENDENT</option> <option value="IRTF">IRTF</option> <option value="Legacy">Legacy</option> <option value="Editorial">Editorial</option> </select> </td> <td> <label for="submit_date">Date Submitted:</label> </td> <td class="userdata"> <input id="submit_date" size="8" type="text" name="submit_date" maxlength="10" /> </td> </tr> <tr> <td colspan="4" class="sbar"> <div> Summary Table<input type="radio" name="presentation" id="presentationT" value="table"> Full Records<input type="radio" name="presentation" id="presentationR" checked="on" value="records"> </div> <input type="submit" value="Search" /> <input type="button" value="Reset Fields" onclick="return clearAdvSearchForm(document.forms.query);" /> </td> </tr> </table> </form> <script type="text/javascript">  </script> <p>Found 13 records.</p> <h2>Status: <a href="errata-definitions/">Verified</a> (8)</h2> <h4><a href="https://www.rfc-editor.org/rfc/rfc2119" target="_blank">RFC 2119</a>, "Key words for use in RFCs to Indicate Requirement Levels", March 1997</h4> <p><b>Note: This RFC has been updated by <a href="/info/rfc8174">RFC 8174</a></b></p> <a href="/source/">Source of RFC</a>: IETF - NON WORKING GROUP<br /> Area Assignment: gen<br /> <p> Errata ID: <a href="/errata/eid493">493</a><br /> <b>Status: Verified<br /> Type: Technical<br /> Publication Format(s) : TEXT</b><br /> Reported By: Davidson, Malcolm<br /> Date Reported: 2001-05-31<br /> </p> <p>Section 1 says: </p> <pre class="rfctext"> 2. MUST NOT This phrase, or the phrase "SHALL NOT", mean that the definition is an absolute prohibition of the specification. </pre> <p>It should say:</p> <pre class="rfctext"> 2. MUST NOT This phrase, or the phrase "SHALL NOT", means that the definition is an absolute prohibition of the specification. </pre> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid495">495</a><br /> <b>Status: Verified<br /> Type: Technical<br /> Publication Format(s) : TEXT</b><br /> Reported By: Davidson, Malcolm<br /> Date Reported: 2001-05-31<br /> </p> <p>Section 1 says: </p> <pre class="rfctext"> 1. MUST This word, or the terms "REQUIRED" or "SHALL", mean that the definition is an absolute requirement of the specification. </pre> <p>It should say:</p> <pre class="rfctext"> 1. MUST This word, or the terms "REQUIRED" or "SHALL", means that the definition is an absolute requirement of the specification. </pre> <p>Notes:</p> <p class="simpleindent"> <br /> </p> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid496">496</a><br /> <b>Status: Verified<br /> Type: Technical<br /> Publication Format(s) : TEXT</b><br /> Reported By: Kurt Zeilenga<br /> Date Reported: 2001-01-31<br /> </p> <p>Section 6 says: </p> <pre class="rfctext"> In particular, they MUST only be used where it is actually required for interoperation or to limit behavior which has potential for causing harm (e.g., limiting retransmisssions) For example, they must not be used to try to impose a particular method on implementors where the method is not required for interoperability. </pre> <p>It should say:</p> <pre class="rfctext"> In particular, they MUST only be used where it is actually required for interoperation or to limit behavior which has potential for causing harm (e.g., limiting retransmissions). For example, they must not be used to try to impose a particular method on implementors where the method is not required for interoperability. </pre> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid498">498</a><br /> <b>Status: Verified<br /> Type: Technical<br /> Publication Format(s) : TEXT</b><br /> Reported By: Davidson, Malcolm<br /> Date Reported: 2001-05-31<br /> </p> <p>Section 1 says: </p> <pre class="rfctext"> 4. SHOULD NOT This phrase, or the phrase "NOT RECOMMENDED" mean that there may exist valid reasons in particular circumstances when the particular behavior is acceptable or even useful, but the full implications should be understood and the case carefully weighed before implementing any behavior described with this label. </pre> <p>It should say:</p> <pre class="rfctext"> 4. SHOULD NOT This phrase, or the phrase "NOT RECOMMENDED", means that there may exist valid reasons in particular circumstances when the particular behavior is acceptable or even useful, but the full implications should be understood and the case carefully weighed before implementing any behavior described with this label. </pre> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid500">500</a><br /> <b>Status: Verified<br /> Type: Technical<br /> Publication Format(s) : TEXT</b><br /> Reported By: Davidson, Malcolm<br /> Date Reported: 2001-05-31<br /> </p> <p>Section 1 says: </p> <pre class="rfctext"> 3. SHOULD This word, or the adjective "RECOMMENDED", mean that there may exist valid reasons in particular circumstances to ignore a particular item, but the full implications must be understood and carefully weighed before choosing a different course. </pre> <p>It should say:</p> <pre class="rfctext"> 3. SHOULD This word, or the adjective "RECOMMENDED", means that there may exist valid reasons in particular circumstances to ignore a particular item, but the full implications must be understood and carefully weighed before choosing a different course. </pre> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid494">494</a><br /> <b>Status: Verified<br /> Type: Editorial<br /> Publication Format(s) : TEXT</b><br /> Reported By: Davidson, Malcolm<br /> Date Reported: 2001-05-31<br /> Verifier Name: RFC Editor<br /> Date Verified: 2007-11-07<br /> </p> <p>Section 6 says: </p> <pre class="rfctext"> (e.g., limiting retransmisssions) </pre> <p>It should say:</p> <pre class="rfctext"> (e.g., limiting retransmissions) </pre> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid499">499</a><br /> <b>Status: Verified<br /> Type: Editorial<br /> Publication Format(s) : TEXT</b><br /> Reported By: Anders Langmyr<br /> Date Reported: 2006-01-09<br /> Verifier Name: Peter Saint-Andre<br /> Date Verified: 2011-11-15<br /> </p> <p>Section Abstract says: </p> <pre class="rfctext"> The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119. </pre> <p>It should say:</p> <pre class="rfctext"> The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119. </pre> <p>Notes:</p> <p class="simpleindent"> The phrase "NOT RECOMMENDED" is missing from this sentence. </p> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid5101">5101</a><br /> <b>Status: Verified<br /> Type: Editorial<br /> Publication Format(s) : TEXT</b><br /> Reported By: Jim Tonti<br /> Date Reported: 2017-08-29<br /> Verifier Name: Warren Kumari<br /> Date Verified: 2017-08-29<br /> </p> <p>Section 5 says: </p> <pre class="rfctext"> 5. MAY This word, or the adjective "OPTIONAL", mean that an item is truly optional. One vendor may choose to include the item because a particular marketplace requires it or because the vendor feels that it enhances the product while another vendor may omit the same item. An implementation which does not include a particular option MUST be prepared to interoperate with another implementation which does include the option, though perhaps with reduced functionality. In the same vein an implementation which does include a particular option MUST be prepared to interoperate with another implementation which does not include the option (except, of course, for the feature the option provides.) </pre> <p>It should say:</p> <pre class="rfctext"> 5. MAY This word, or the adjective "OPTIONAL", mean that an item is truly optional. One vendor may choose to include the item because a particular marketplace requires it or because the vendor feels that it enhances the product while another vendor may omit the same item. An implementation which does not include a particular option MUST be prepared to interoperate with another implementation which does include the option, though perhaps with reduced functionality. In the same vein an implementation which does include a particular option MUST be prepared to interoperate with another implementation which does not include the option (except, of course, for the feature the option provides). </pre> <p>Notes:</p> <p class="simpleindent"> Full stop should appear outside the parentheses in the last sentence. </p> <div class="special_hr"></div> <h2>Status: <a href="errata-definitions/">Held for Document Update</a> (2)</h2> <h4><a href="https://www.rfc-editor.org/rfc/rfc2119" target="_blank">RFC 2119</a>, "Key words for use in RFCs to Indicate Requirement Levels", March 1997</h4> <p><b>Note: This RFC has been updated by <a href="/info/rfc8174">RFC 8174</a></b></p> <a href="/source/">Source of RFC</a>: IETF - NON WORKING GROUP<br /> Area Assignment: gen<br /> <p> Errata ID: <a href="/errata/eid2969">2969</a><br /> <b>Status: Held for Document Update<br /> Type: Technical<br /> Publication Format(s) : TEXT</b><br /> Reported By: John Klensin<br /> Date Reported: 2011-09-12<br /> Held for Document Update by: Russ Housley<br /> </p> <p>Section 1,3,4 says: </p> <pre class="rfctext"> (1) "The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" mean (2) 1. MUST This word, or the terms "REQUIRED" or "SHALL", mean (3) 3. SHOULD This word, or the adjective "RECOMMENDED", mean (4) 4. SHOULD NOT This phrase, or the phrase "NOT RECOMMENDED" mean </pre> <p>It should say:</p> <pre class="rfctext"> (1) "The key words "MUST", "MUST NOT", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", and "MAY" means (2) 1. MUST This word, or the term "SHALL", means (3) 3. SHOULD This word means (4) 4. SHOULD NOT This phrase means Editorial note: The use of "mean" after a singular subject is simply wrong. Subordinate phrases like ", or the term BLATHER," do nothing to change that. </pre> <p>Notes:</p> <p class="simpleindent"> RFC 2026, to which RFC 2119 should be subordinate, carefully distinguishes between Technical Specifications (TS) and Applicability Statements (AS). Its Section 3.3 prescribes specific language to be used in ASs, with categories "Required", "Recommended", "Elective", "Limited Use", and "Not Recommended", while 2119's language, especially in its Section 6, fairly clearly apply to interoperability requirements within TS documents. Use of terms that 2026 requires for AS documents in a TS context (as synonyms for other, unambiguous, terms) is just an invitation to confusion, especially if the IETF continues to have hair-splitting arguments about the nature of requirements in particular contexts. Consequently, while the change proposed in erratum 419 (altering the definition phrase to reflect the language of Section 4) appears reasonable from an editorial standpoint, the correct fix is to remove the 2026 AS terms as acceptable synonyms from 2119 entirely. If people want to say "SHOULD NOT" and give it specific meaning, they should say "SHOULD NOT" rather than trying to use nearly-synonymous terms and hoping that the reader will figure out what was really met. </p> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid5206">5206</a><br /> <b>Status: Held for Document Update<br /> Type: Editorial<br /> Publication Format(s) : TEXT</b><br /> Reported By: Hugo Gabriel Eyherabide<br /> Date Reported: 2017-12-14<br /> Held for Document Update by: Lars Eggert<br /> Date Held: 2021-03-11<br /> </p> <p>Section 5 says: </p> <pre class="rfctext"> MAY This word, or the adjective "OPTIONAL", mean </pre> <p>It should say:</p> <pre class="rfctext"> MAY This word, or the adjective "OPTIONAL", means </pre> <p>Notes:</p> <p class="simpleindent"> This correction is analogous to that pointed out by Erratas 495, 498, 500 and 2969 for sections 1, 3 and 4, but for section. The correction replaces "mean" with "means" </p> <div class="special_hr"></div><h2>Status: <a href="errata-definitions/">Rejected</a> (3)</h2> <h4><a href="https://www.rfc-editor.org/rfc/rfc2119" target="_blank">RFC 2119</a>, "Key words for use in RFCs to Indicate Requirement Levels", March 1997</h4> <p><b>Note: This RFC has been updated by <a href="/info/rfc8174">RFC 8174</a></b></p> <a href="/source/">Source of RFC</a>: IETF - NON WORKING GROUP<br /> Area Assignment: gen<br /> <p> Errata ID: <a href="/errata/eid497">497</a><br /> <b>Status: Rejected<br /> Type: Editorial<br /> Publication Format(s) : TEXT</b><br /> Reported By: Kiyoshi Ogawa<br /> Date Reported: 2006-07-10<br /> Rejected by: Russ Housley<br /> Date Rejected: 2010-08-19<br /> </p> <p> </p> <pre class="rfctext"> 3. SHOULD This word, or the adjective "RECOMMENDED", mean that there may exist valid reasons in particular circumstances to ignore a particular item, but the full implications must be understood and carefully weighed before choosing a different course. 4. SHOULD NOT This phrase, or the phrase "NOT RECOMMENDED" mean that there may exist valid reasons in particular circumstances when the particular behavior is acceptable or even useful, but the full implications should be understood and the case carefully weighed before implementing any behavior described with this label. </pre> <p>It should say:</p> <pre class="rfctext"> 3. SHOULD This word, or the adjective "RECOMMENDED", mean that there may exist valid reasons in particular circumstances to ignore a particular item, but the full implications should be understood and carefully weighed before choosing a different course. 4. SHOULD NOT This phrase, or the phrase "NOT RECOMMENDED" mean that there may exist valid reasons in particular circumstances when the particular behavior is acceptable or even useful, but the full implications should be understood and the case carefully weighed before implementing any behavior described with this label. </pre> <p>Notes:</p> <p class="simpleindent"> OR should say:<br /> 3. SHOULD This word, or the adjective "RECOMMENDED", mean that there<br /> may exist valid reasons in particular circumstances to ignore a<br /> particular item, but the full implications is understood and<br /> carefully weighed before choosing a different course.<br /> <br /> 4. SHOULD NOT This phrase, or the phrase "NOT RECOMMENDED" mean that<br /> there may exist valid reasons in particular circumstances when the<br /> particular behavior is acceptable or even useful, but the full<br /> implications should be understood and the case carefully weighed<br /> before implementing any behavior described with this label.<br /> <br /> <br /> The change request is "must" to "should".<br /> It may be self definition.<br /> For the balance of SHOULD and SHOULD NOT , it should use "should", not<br /> "must". <br /> --VERIFIER NOTES-- <br /> The full implications MUST be understood in order to ignore a "SHOULD" or "SHOULD NOT" statement in a specification. </p> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid6773">6773</a><br /> <b>Status: Rejected<br /> Type: Editorial<br /> Publication Format(s) : TEXT</b><br /> Reported By: Michał Bieńkowski<br /> Date Reported: 2021-12-03<br /> Rejected by: RFC Editor<br /> Date Rejected: 2022-01-27<br /> </p> <p>Section 5 says: </p> <pre class="rfctext"> MAY This word, or the adjective "OPTIONAL", mean that an item is truly optional. One vendor may choose to include the item because a particular marketplace requires it or because the vendor feels that it enhances the product while another vendor may omit the same item. </pre> <p>It should say:</p> <pre class="rfctext"> MAY This word, or the adjective "OPTIONAL", mean that an item is truly optional. One vendor may choose to include the item because a particular marketplace requires it or because the vendor feels that it enhances the product while another vendor may omit the same item. </pre> <p>Notes:</p> <p class="simpleindent"> There is a double space before "One vendor may choose to include".<br /> --VERIFIER NOTES-- <br /> This report doesn't add clarity or improve readabilty. We don't recommend errata be used to "correct" the number of spaces between sentences. </p> <div class="special_hr"></div><p> Errata ID: <a href="/errata/eid6954">6954</a><br /> <b>Status: Rejected<br /> Type: Editorial<br /> Publication Format(s) : TEXT</b><br /> Reported By: aaron wuescher<br /> Date Reported: 2022-05-05<br /> Rejected by: Lars Eggert<br /> Date Rejected: 2023-08-11<br /> </p> <p>Section 6. of all scripts says: </p> <pre class="rfctext"> 6. Guidance in the use of these Imperatives Imperatives of the type defined in this memo must be used with care and sparingly. In particular, they MUST only be used where it is actually required for interoperation or to limit behavior which has potential for causing harm (e.g., limiting retransmisssions) For example, they must not be used to try to impose a particular method on implementors where the method is not required for interoperability. {This part: (e.g., limiting retransmisssions); is the focus.} </pre> <p>It should say:</p> <pre class="rfctext"> In-line html has an errata by Davidson, Malcolm about the extra S in retransmission. (Good Job to Malcom! (I would also like to make editors aware that is in only corrected in the, in-line html. The error of the extra -s in the word retransmissions is still present in all of the other documents.) The problem I would like to bring to the attention of the minds of the world, is still that same word, retransmissions and I'm concerned that it has been looked at and still over looked. It should be simply "transmissions" or, but NOT RECOMENDED; "re-transmissions". (I will explain.) </pre> <p>Notes:</p> <p class="simpleindent"> The base word "transmission" (which is already a compound word.) in the plural form, shows more than one, present tense, and also future tense. Therefore the re- prefix is redundant in the word. It actually retards the word making it null. Without the hyphen it is an entirely different compound word that may not even exist yet. The -s making it plural is plenty to make this sentence complete and accurate. There is no need for the re- prefix but if you must it should be hyphenated. 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