1.1 --- a/css3-conditional/Overview.src.html Fri Dec 07 11:13:35 2012 +0900
1.2 +++ b/css3-conditional/Overview.src.html Thu Dec 06 18:31:02 2012 -0800
1.3 @@ -861,12 +861,35 @@
1.4 <dl class='idl-methods'>
1.5 <dt><code>insertRule(DOMString rule, unsigned long index)</code>, returns
1.6 <code>unsigned long</code>
1.7 - <dd>The <code>insertRule</code> operation must insert a CSS rule <var>rule</var>
1.8 - into the CSS rule list returned by <code>cssRules</code> at <var>index</var>.
1.9 + <dd>
1.10 + The <code>insertRule</code> operation must
1.11 + insert a CSS rule <var>rule</var>
1.12 + into the CSS rule list returned by <code>cssRules</code>,
1.13 + such that the inserted rule will be at position <var>index</var>,
1.14 + and any rules previously at <var>index</var> or higher
1.15 + will increase their index by one.
1.16 + It must throw INDEX_SIZE_ERR
1.17 + if index is greater than <code>cssRules.length</code>.
1.18 + It must throw SYNTAX_ERR
1.19 + if the rule has a syntax error and is unparseable;
1.20 + this does not include syntax errors handled by error handling rules
1.21 + for constructs inside of the rule.
1.22 + It must throw HIERARCHY_REQUEST_ERR
1.23 + if the rule cannot be inserted at the location specified,
1.24 + for example, if an ''@import'' rule is inserted inside a group rule.
1.25 +
1.26 + <span class="issue">This needs to specify what to do
1.27 + if <code>rule</code> is the empty string,
1.28 + if it contains more than one CSS rule,
1.29 + or if it contains garbage after a valid rule.</span>
1.30
1.31 <dt><code>deleteRule (unsigned long index)</code>, return <code>void</code>
1.32 - <dd>The <code>deleteRule</code> operation must remove a CSS rule from the
1.33 - CSS rule list returned by <code>cssRules</code> at <var>index</var>.
1.34 + <dd>
1.35 + The <code>deleteRule</code> operation must
1.36 + remove a CSS rule from
1.37 + the CSS rule list returned by <code>cssRules</code> at <var>index</var>.
1.38 + It must throw INDEX_SIZE_ERR
1.39 + if index is greater than or equal to <code>cssRules.length</code>.
1.40 </dl>
1.41
1.42
