Recategorize Issue 18 as out-of-scope at reporter's suggestion.

Author: tabatkins

css3-images/issues-lc-2012.html

@@ -182,7 +182,7 @@ <h1>CSS Image Values and Replaced Content Level 3 Disposition of Comments</h1>
 Closed:   Rejected
 Verified: (Verified as part of in-person discussion during the February CSSWG f2f.)
 </pre>
-<pre class="a" id="issue-18">
+<pre class="oi" id="issue-18">
 Issue 18.
 Summary:  Define 'dpi' and 'dpcm' in terms of the real physical units,
           not the CSS units