hixie: Try to clarify some of the conformance requirements around pattern=''. (whatwg r6309)

hixie: Try to clarify some of the conformance requirements around
pattern=''. (whatwg r6309)

http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.5040&r2=1.5041&f=h
http://html5.org/tools/web-apps-tracker?from=6308&to=6309

===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.5040
retrieving revision 1.5041
diff -u -d -r1.5040 -r1.5041
--- Overview.html 15 Jul 2011 20:40:04 -0000 1.5040
+++ Overview.html 15 Jul 2011 22:11:19 -0000 1.5041
@@ -36054,12 +36054,16 @@
   entirety of each of the element's <a href="#concept-fe-values" title="concept-fe-values">value<em>s</em></a>, then the element
   is <a href="#suffering-from-a-pattern-mismatch">suffering from a pattern mismatch</a>.</p>
 
+  <p>The <a href="#compiled-pattern-regular-expression">compiled pattern regular expression</a>, when
+  matched against a string, must have its start anchored to the start
+  of the string and its end anchored to the end of the string.</p>
+
   <p class="note">This implies that the regular expression language
   used for this attribute is the same as that used in JavaScript,
   except that the <code title="attr-input-pattern"><a href="#attr-input-pattern">pattern</a></code>
-  attribute must match the entire value, not just any subset (somewhat
-  as if it implied a <code title="">^(?:</code> at the start of the
-  pattern and a <code title="">)$</code> at the end).</p>
+  attribute is matched against the entire value, not just any subset
+  (somewhat as if it implied a <code title="">^(?:</code> at the start
+  of the pattern and a <code title="">)$</code> at the end).</p>
 
   </div><p>When an <code><a href="#the-input-element">input</a></code> element has a <code title="attr-input-pattern"><a href="#attr-input-pattern">pattern</a></code> attribute specified,
   authors should include a <code title="attr-title"><a href="#the-title-attribute">title</a></code>

Received on Friday, 15 July 2011 22:11:49 UTC