Log Message:
Update to 0.9.3, provided by OBATA Akio in PR 32507.

	Trac 0.9.3 (Jan 8, 2006)
	http://svn.edgewall.com/repos/trac/tags/trac-0.9.3

	 * Fixed XSS vulnerabilities.
	 * Timeline RSS feed validity issue resolved.
	 * "trac-admin initenv" now handles empty repositories.
	 * Textile unicode support.
	 * Fixed bugs: #1158, #2290, #2337, #2416, #2440, #2468, #2473, #2484,
	   #2490, #2493, #2512, #2517, #2519, #2527, #2548, #2558, #2558