diff -r 332643616ed0 -r 62295c03d3c6 ttml10-sdp-us/Overview.src.html --- a/ttml10-sdp-us/Overview.src.html Wed Nov 28 22:49:22 2012 -0700 +++ b/ttml10-sdp-us/Overview.src.html Wed Nov 28 23:49:46 2012 -0700 @@ -634,6 +634,16 @@
The alpha component of backgroundColor for a region MUST be zero (0).
The presentation processor MUST allow the user to specify a backgroundColor for p and span elements based on a minimum of an 8-color palette of white, black, red, green, blue, yellow, magenta, and cyan (See Minimum Color List in Color Values ).
The presentation processor MUST allow the user to specify a backgroundColor for p and span elements to allow for semi-transparent and transparent opacities.
+
Multiple Background Styles. The tts:backgroundColor is specified distinctly for a region, a paragraph selected into +that region, and a span of text in that paragraph.
+
+<region id="r1" tts:backgroundColor="#00000000"/>
+...
+<p region="r1" tts:backgroundColor="#1049edff">
+  Twinkle, twinkle, little bat!<br>
+  How <span tts:backgroundColor="#ed1078ff">I wonder</span> where you're at!
+</p>
+