[ease] Fix HTML export to work with colors not in #RRGGBBAA format.

[Nate Stedman <natesm src gnome org>]

commit 200cb682f12d5e6764fa6850d8e6466e99126fd6
Author: Nate Stedman <natesm gmail com>
Date:   Wed May 19 04:47:27 2010 -0400

    Fix HTML export to work with colors not in #RRGGBBAA format.

 src/libease/Element.vala |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/libease/Element.vala b/src/libease/Element.vala
index 092ca97..5ab32b4 100644
--- a/src/libease/Element.vala
+++ b/src/libease/Element.vala
@@ -109,8 +109,12 @@ public class Ease.Element : GLib.Object
 				html += " position: absolute;";
 				
 				// set the text-specific properties of the element
-				html += " color:" + data.get("color").substring(0, 7) +
-				        ";";
+				string c = data.get("color");
+				if (c.length > 7) // clip the string if alpha is included
+				{
+					c = c.substring(0, 7);
+				}
+				html += " color:" + c + ";";
 				        
 				html += " font-family:'" + data.get("font_name") +
 				        "', sans-serif;";