diff -r f22a275a3a33 -r cebf96c3b522 build.lua
--- a/build.lua	Wed May 20 14:43:12 2009 +0100
+++ b/build.lua	Sat May 23 20:18:49 2009 +0100
@@ -35,7 +35,7 @@
 		msg_info("Processing %s", post_filename);
 		local post_file, err = io.open(posts_dir..post_filename);
 		if post_file then
-			local post_format = post_filename:match("%.(%w+)") or "text";
+			local post_format = post_filename:match("%.(%w+)$") or "text";
 			local post = { filename = post_filename, path = posts_dir..post_filename, format = post_format };
 			if not parsers[post_format] then
 				msg_warn("Post format '%s' not supported", post_format);