12555 2011-04-26 07:41:19 +0000 The informative note has contents that should be clearer in the normative text. Namely, a regular expression with alternate branches (a|ab) will match the string 'ab' in a more "greedy" way if compiled as the informative note suggests. As-is, implementat 2011-08-04 05:02:13 +0000 1 1 1 Unclassified HTML WG LC1 HTML5 spec unspecified Other other RESOLVED FIXED http://www.whatwg.org/specs/web-apps/current-work/#the-pattern-attribute P3 normal --- 1 contributor ian ayg hsteen ian mike public-html-admin public-html-wg-issue-tracking public-html-bugzilla oldest_to_newest 47683 0 contributor 2011-04-26 07:41:19 +0000 Specification: http://www.whatwg.org/specs/web-apps/current-work/multipage/common-input-element-attributes.html Section: http://www.whatwg.org/specs/web-apps/current-work/#the-pattern-attribute Comment: The informative note has contents that should be clearer in the normative text. Namely, a regular expression with alternate branches (a|ab) will match the string 'ab' in a more "greedy" way if compiled as the informative note suggests. As-is, implementations that follow the normative text will be incompatible with implementations that also take the informative note into account for the <input value="ab" pattern="(a|ab)"> case. Posted from: 218.120.54.137 User agent: Opera/9.80 (Windows NT 5.1; U; en) Presto/2.9.119 Version/11.10 47684 1 978 hsteen 2011-04-26 07:52:39 +0000 Created attachment 978 Test case. The normative text should specify something that makes this test pass in all conforming implementations :) 47685 2 hsteen 2011-04-26 07:57:17 +0000 Suggested edit: replace when compiled as a JavaScript regular expression with the <code title="">global</code>, <code title="">ignoreCase</code>, and <code title="">multiline</code> flags <em>disabled</em> with when compiled as a JavaScript regular expression prefixed by '^(?', postfixed by '$)' and with the <code title="">global</code>, <code title="">ignoreCase</code>, and <code title="">multiline</code> flags <em>disabled</em> 51166 3 ian 2011-07-15 22:10:38 +0000 EDITOR'S RESPONSE: This is an Editor's Response to your comment. If you are satisfied with this response, please change the state of this bug to CLOSED. If you have additional information and would like the editor to reconsider, please reopen this bug. If you would like to escalate the issue to the full HTML Working Group, please add the TrackerRequest keyword to this bug, and suggest title and text for the tracker issue; or you may create a tracker issue yourself, if you are able to do so. For more details, see this document: http://dev.w3.org/html5/decision-policy/decision-policy.html Status: Partially Accepted Change Description: see diff given below Rationale: The sentence in question is only defining the document conformance criteria, and the edit you suggest would break the conformance criteria. For example, it would make the following not invalid: pattern=")(" However, I've tried to add to the relevant prose to be clearer. 51167 4 contributor 2011-07-15 22:11:27 +0000 Checked in as WHATWG revision r6309. Check-in comment: Try to clarify some of the conformance requirements around pattern=''. http://html5.org/tools/web-apps-tracker?from=6308&to=6309 52518 5 mike 2011-08-04 05:02:13 +0000 mass-moved component to LC1 978 2011-04-26 07:52:39 +0000 2011-04-26 07:52:39 +0000 Test case. The normative text should specify something that makes this test pass in all conforming implementations :) CORE-38209.htm text/html 573 hsteen PCFET0NUWVBFIGh0bWw+DQo8aHRtbD48aGVhZD4NCgk8dGl0bGU+IEBwYXR0ZXJuIGFuZCByZWdl eHAgd2l0aCBhbHRlcm5hdGUgYnJhbmNoZXMgPC90aXRsZT4NCjwvaGVhZD4NCjxib2R5Pg0KDQoJ PHA+RkFJTEVEIChUaGlzIFRDIHJlcXVpcmVzIEphdmFTY3JpcHQgZW5hYmxlZCk8L3A+DQoJPGZv cm0+PGlucHV0IHZhbHVlPSJhYiIgcGF0dGVybj0iKGF8YWIpIj48L2Zvcm0+DQoNCgk8c2NyaXB0 IHR5cGU9InRleHQvamF2YXNjcmlwdCI+DQoJDQoJZnVuY3Rpb24gdGVzdCgpew0KCQl2YXIgbG9n PWRvY3VtZW50LmdldEVsZW1lbnRzQnlUYWdOYW1lKCdwJylbMF0uZmlyc3RDaGlsZDsNCgkJdmFy IHBhc3NlZCA9IGRvY3VtZW50LmdldEVsZW1lbnRzQnlUYWdOYW1lKCdpbnB1dCcpWzBdLnZhbGlk aXR5LnBhdHRlcm5NaXNtYXRjaCA9PT0gZmFsc2U7DQoJCWxvZy5kYXRhID0gKHBhc3NlZCkgPyAn UEFTU0VEJyA6ICdGQUlMRUQnIDsNCgkJdHJ5e3RvcC5vcGVuZXIucnIocGFzc2VkKTt9Y2F0Y2go ZSl7fQ0KCX0NCgl3aW5kb3cub25sb2FkPXRlc3Q7DQoJPC9zY3JpcHQ+DQoNCjwvYm9keT48L2h0 bWw+