[css-images-4] bikeshed fixes

Author: tabatkins

css-images-4/Overview.bs

@@ -19,7 +19,13 @@ Issue Tracking: Tracker http://www.w3.org/Style/CSS/Tracker/products/27
 Previous Version: https://www.w3.org/TR/2012/WD-css4-images-20120911/
 Ignored Terms: <offset>, background positioning area, border image area, <meetorslice>, <ending-shape>, Map, <image>, invalid image, invalid images, concrete object size, linear-gradient(), radial-gradient(), intrinsic dimensions, default object size, CSS
 Ignored Vars: H, P
-Link Defaults: css21 (property) display, css21 (dfn) stacking context, css-backgrounds-3 (type) <position>/center
+</pre>
+
+<pre class=link-defaults>
+spec: css-images-3;
+	type: function;
+		text: image-set();
+		text: cross-fade();
 </pre>
 
 Introduction {#intro}
@@ -874,7 +880,7 @@ Conic Gradients: the ''conic-gradient()'' notation</h3>
 			is defined in [[css-values-3]],
 			and is resolved using the center-point as the object area
 			and the <a>gradient box</a> as the positioning area.
-			If this argument is omitted, it defaults to ''center''.
+			If this argument is omitted, it defaults to ''background-position/center''.
 	</dl>
 
 	<p class='issue'>
@@ -1391,7 +1397,7 @@ Overriding Image Resolutions: the 'image-resolution' property {#the-image-resolu
 	Issue: The ''image-set()'' notation can alter the intrinsic resolution of an image,
 	which ideally would be automatically honored without having to set this property.
 	How should we best address this?
-	Change the initial value to ''auto'', meaning "1dppx, unless CSS says otherwise"?
+	Change the initial value to <css>auto</css>, meaning "1dppx, unless CSS says otherwise"?
 	Say that image-resolution has no effect on images whose resolution was set by something else in CSS?
 	Or somehow wordsmithing ''image-set()'' in some way such that it always produces ''1dppx'' images somehow?
 
@@ -1525,21 +1531,24 @@ Serialization {#serialization}
 Note: No change from [[css3-images]].
 
 Privacy and Security Considerations {#privsec}
+==============================================
 
 Note: No change from [[css3-images]].
 
 Changes {#changes}
-=================================================
+==================
 
-<h3 class="no-num">Changes Since the <a href="https://www.w3.org/TR/2012/WD-css4-images-20120911/">11 September 2012 Working Draft</a></h3>
+<h3 class="no-num" id="changes-20120911">
+Changes Since the <a href="https://www.w3.org/TR/2012/WD-css4-images-20120911/">11 September 2012 Working Draft</a></h3>
 
 - Added <a href="#color-stop-syntax">color interpolation hints</a>
 - Added the <a href="#color-stop-syntax">two location syntax</a> for gradient color stops
 - Added start angles to <a href="#conic-gradients">conic gradients</a>
 - The position(s) of a color stop can now come before the color
 - Text that is identical to [[css3-images]] has been replaced with a reference to [[css3-images]].
 
-<h3 class="no-num">Changes Since Level 3</h3>
+<h3 class="no-num" id="changes-3">
+Changes Since Level 3</h3>
 
 - Added the ''image()'' notation (deferred from Level 3)
 - Added the 'image-resolution' property (deferred from Level 3)